Curable composition, film, optical filter, solid image pickup element, image display device, and infrared sensor

ABSTRACT

A curable composition includes: a near infrared absorbing colorant; and a polymerizable monomer that has a group having an unsaturated double bond, in which the near infrared absorbing colorant is a compound that includes a π-conjugated plane having a monocyclic or fused aromatic ring, a content of the near infrared absorbing colorant is 10 mass % or higher with respect to a total solid content of the curable composition, and a content of a polymerizable monomer that has at least one group selected from an acid group or a hydroxyl group and a group having an unsaturated double bond is 50 mass % or lower with respect to a total mass of all the polymerizable monomers.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a Continuation of PCT International Application No.PCT/JP2017/046053, filed on Dec. 22, 2017, which claims priority under35 U.S.C. § 119(a) to Japanese Patent Application No. 2017-016784, filedon Feb. 1, 2017 and Japanese Patent Application No. 2017-235033, filedon Dec. 7, 2017. Each of the above application(s) is hereby expresslyincorporated by reference, in its entirety, into the presentapplication.

BACKGROUND OF THE INVENTION 1. Field of the Invention

The present invention relates to a curable composition, a film, anoptical filter, a solid image pickup element, an image display device,and an infrared sensor.

2. Description of the Related Art

Recently, a digital camera, a mobile phone equipped with a camera, orthe like has been widely used, and a demand for a solid image pickupelement such as a charge coupled device (CCD) image sensor has increasedsignificantly. As a key device of a display or an optical element, acolor filter is used.

A color filter is manufactured by applying a coloring compositionincluding a colorant and a polymerizable monomer to a substrate or thelike. For example, JP2014-041301A describes a color filter ismanufactured using a coloring composition. This coloring compositionincludes: an acrylic polymer having a polymerizable group; a polymer nothaving a polymerizable group, a monomer having three or moreethylenically unsaturated double bonds, a polymerization initiator, anda colorant, in which the content of the acrylic polymer having apolymerizable group is 1 to 14 mass % with respect to all the polymercomponents.

In addition, in a light receiving section of this solid image pickupelement, a silicon photodiode having sensitivity to infrared light isused. Therefore, visibility may be corrected using a near infrared cutfilter.

For example, JP2016-146619A describes a solid image pickup devicecomprising: a first optical layer that allows transmission of at least apart of visible light and near infrared light; a near infrared passfilter that absorbs at least a part of visible light and allowstransmission of at least a part of near infrared light; and a pixelarray including a first light-receiving element that detects visiblelight transmitted through the first optical layer and a secondlight-receiving element that detects near infrared light transmittedthrough the first optical layer and the near infrared pass filter.

In addition, JP2015-017244A describes that a near infrared cut filter ismanufactured using a curable composition including: a near infraredabsorbing colorant (A); a curable compound (B) having one or moreselected from a fluorine atom, a silicon atom, a linear alkyl grouphaving 8 or more carbon atoms, or a branched alkyl group having 3 ormore carbon atoms; and a curable compound (C) that is different from thecurable compound (B). Examples of the curable compound (C) include acompound having an epoxy group, an oxetanyl group, an acrylate group, orthe like.

SUMMARY OF THE INVENTION

However, according to an investigation by the present inventors, it wasfound that, in a case where a film is formed using a curable compositionincluding a near infrared absorbing colorant and a polymerizable monomerthat has a group having an unsaturated double bond, foreign matter islikely to be formed during the film formation.

Accordingly, an object of the present invention is to provide a curablecomposition with which a film having reduced foreign matter can beformed. In addition, another object of the present invention is toprovide a film having reduced foreign matter, an optical filter, a solidimage pickup element, an image display device, and an infrared sensor.

The present inventors conducted an investigation under theabove-described circumstances and found that the above-described objectscan be achieved by adjusting the content of a polymerizable monomer thathas at least one group selected from an acid group or a hydroxyl groupand a group having an unsaturated double bond to be in a predeterminedrange with respect to the total mass of all the polymerizable monomers,thereby completing the present invention. The present invention providesthe following.

<1> A curable composition comprising:

a near infrared absorbing colorant; and

a polymerizable monomer that has a group having an unsaturated doublebond,

in which the near infrared absorbing colorant is a compound thatincludes a π-conjugated plane having a monocyclic or fused aromaticring,

a content of the near infrared absorbing colorant is 10 mass % or higherwith respect to a total solid content of the curable composition, and

a content of a polymerizable monomer that has at least one groupselected from an acid group or a hydroxyl group and a group having anunsaturated double bond is 50 mass % or lower with respect to a totalmass of all the polymerizable monomers.

<2> The curable composition according to <1>,

in which the content of the polymerizable monomer that has at least onegroup selected from an acid group or a hydroxyl group and a group havingan unsaturated double bond is 30 mass % or lower with respect to thetotal mass of all the polymerizable monomers.

<3> The curable composition according to <1> or <2>,

in which the content of the polymerizable monomer that has at least onegroup selected from an acid group or a hydroxyl group and a group havingan unsaturated double bond is 1 to 30 mass % with respect to the totalmass of all the polymerizable monomers.

<4> The curable composition according to any one of <1> to <3>,

in which the polymerizable monomer is a compound that has two or moregroups having an unsaturated double bond.

<5> The curable composition according to any one of <1> to <4>,

in which the near infrared absorbing colorant is a compound having ahydrophilic group.

<6> The curable composition according to any one of <1> to <5>, furthercomprising:

a resin.

<7> The curable composition according to any one of <1> to <6>, furthercomprising:

a chromatic colorant.

<8> The curable composition according to any one of <1> to <6>, furthercomprising:

a coloring material that allows transmission of infrared light andshields visible light.

<9> A film which is formed using the curable composition according toany one of <1> to <8>.

<10> An optical filter comprising:

the film according to <9>.

<11> The optical filter according to <10>,

in which the optical filter is a near infrared cut filter or an infraredtransmitting filter.

<12> A solid image pickup element comprising:

the film according to <9>.

<13> An image display device comprising:

the film according to <9>.

<14> An infrared sensor comprising:

the film according to <9>.

According to the present invention, it is possible to provide a curablecomposition with which a film having reduced foreign matter can beformed. In addition, it is possible to provide a film having reducedforeign matter, an optical filter, a solid image pickup element, animage display device, and an infrared sensor.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram showing an embodiment of an infraredsensor.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

Hereinafter, the details of the present invention will be described.

In this specification, numerical ranges represented by “to” includenumerical values before and after “to” as lower limit values and upperlimit values.

In this specification, unless specified as a substituted group or as anunsubstituted group, a group (atomic group) denotes not only a group(atomic group) having no substituent but also a group (atomic group)having a substituent. For example, “alkyl group” denotes not only analkyl group having no substituent (unsubstituted alkyl group) but alsoan alkyl group having a substituent (substituted alkyl group).

In this specification, unless specified otherwise, “exposure” denotesnot only exposure using light but also drawing using a corpuscular beamsuch as an electron beam or an ion beam. Examples of the light used forexposure include an actinic ray or radiation, for example, a brightlight spectrum of a mercury lamp, a far ultraviolet ray represented byexcimer laser, an extreme ultraviolet ray (EUV ray), an X-ray, or anelectron beam.

In this specification, “(meth)acrylate” denotes either or both ofacrylate and methacrylate, “(meth)acryl” denotes either or both of acryland methacryl, and “(meth)acryloyl” denotes either or both of acryloyland methacryloyl.

In this specification, a weight-average molecular weight and anumber-average molecular weight are defined as values in terms ofpolystyrene obtained by gel permeation chromatography (GPC).

In this specification, in a chemical formula, Me represents a methylgroup, Et represents an ethyl group, Bu represents a butyl group, and Phrepresents a phenyl group.

In this specification, near infrared light denotes light(electromagnetic wave) having an absorption maximum in a wavelengthrange of 700 to 2500 nm.

In this specification, a total solid content denotes the total mass ofall the components of the composition excluding a solvent.

In this specification, the term “step” denotes not only an individualstep but also a step which is not clearly distinguishable from anotherstep as long as an effect expected from the step can be achieved.

<Curable Composition>

A curable composition according to an embodiment of the presentinvention comprises: a near infrared absorbing colorant; and apolymerizable monomer that has a group having an unsaturated doublebond, in which the near infrared absorbing colorant is a compound thatincludes a π-conjugated plane having a monocyclic or fused aromaticring, a content of the near infrared absorbing colorant is 10 mass % orhigher with respect to a total solid content of the curable composition,and a content of a polymerizable monomer that has at least one groupselected from an acid group or a hydroxyl group and a group having anunsaturated double bond is 50 mass % or lower with respect to a totalmass of all the polymerizable monomers.

By using the curable composition according to the embodiment of thepresent invention, a film having reduced foreign matter can be formed.The reason why this effect is obtained is presumed to be as follows. Ina case where a film is formed using a curable composition including anear infrared absorbing colorant and a polymerizable monomer that has agroup having an unsaturated double bond, the reason for the formation offoreign matter during film formation is presumed to be that a metal, ahalogen atom, or the like that is present in the system during filmformation moves in the system during the film formation and interactswith the near infrared absorbing colorant such that the near infraredabsorbing colorant or the like precipitates due to a change incrystallinity and foreign matter is formed. In the curable compositionaccording to the embodiment of the present invention, the content of thepolymerizable monomer that has at least one group selected from an acidgroup or a hydroxyl group and a group having an unsaturated double bondis 50 mass % or lower with respect to a total mass of all thepolymerizable monomers. Therefore, a metal, a halogen atom, or the likepresent in the system during film formation can be suppressed frommoving in the system. As a result, the precipitation of the nearinfrared absorbing colorant or the like can be suppressed, and a filmhaving reduced foreign matter can be formed.

In addition, in a case where a compound that has a π-conjugated planeincluding a monocyclic or fused aromatic ring is used as a near infraredabsorbing colorant, this near infrared absorbing colorant is likely tocause an aggregate to be formed in the film due to an interactionbetween π-conjugated planes. In particular, it is presumed that theformation of an aggregate is likely to be promoted in a high humidityenvironment. Therefore, it is presumed that, in a case where the filmincluding the near infrared absorbing colorant is exposed to a highhumidity environment, for example, particles of the near infraredabsorbing colorant locally aggregate in the film such that spectralcharacteristics are likely to vary. However, with the curablecomposition according to the embodiment of the present invention, a filmhaving excellent moisture resistance can be formed, and even in a casewhere this film is exposed to a high humidity environment, spectralvariation can be suppressed. In the curable composition according to theembodiment of the present invention, the content of the polymerizablemonomer that has at least one group selected from an acid group or ahydroxyl group and a group having an unsaturated double bond is low withrespect to a total mass of all the polymerizable monomers. Therefore, itis presumed that permeation of moisture from the outside into the filmcan be effectively suppressed.

In addition, the curable composition according to the embodiment of thepresent invention further includes a coloring material that allowstransmission of infrared light and shields visible light in addition tothe near infrared absorbing colorant. As a result, an infraredtransmitting filter that has excellent spectral characteristics andselectively allows transmission of specific infrared light can also bemanufactured. In the infrared transmitting filter, the near infraredabsorbing colorant has a function of limiting light to be transmitted(near infrared light) to a longer wavelength side. Hereinafter, each ofthe components of the curable composition according to the embodiment ofthe present invention will be described.

«Near Infrared Absorbing Colorant»

The curable composition according to the embodiment of the presentinvention includes a near infrared absorbing colorant as a compound thatincludes a π-conjugated plane having a monocyclic or fused aromaticring. In the present invention, it is preferable that the near infraredabsorbing colorant is a compound having an absorption in a near infraredrange (preferably in a wavelength range of 700 to 1300 nm and morepreferably in a wavelength range of 700 to 1000 nm).

In the present invention, the near infrared absorbing colorant includesthe π-conjugated plane having a monocyclic or fused aromatic ring.Therefore, due to an interaction between aromatic rings on theπ-conjugated plane of the near infrared absorbing colorant, aJ-aggregate of the near infrared absorbing colorant is likely to beformed in the film, and a film having excellent spectral characteristicsin a near infrared range can be formed.

In the present invention the near infrared absorbing colorant may be apigment (also referred to as “near infrared absorbing pigment”) or a dye(also referred to as “near infrared absorbing dye”).

The number of atoms constituting the π-conjugated plane included in thenear infrared absorbing colorant other than hydrogen is preferably 14 ormore, more preferably 20 or more, still more preferably 25 or more, andstill more preferably 30 or more. For example, the upper limit ispreferably 80 or less and more preferably 50 or less.

The number of monocyclic or fused aromatic rings in the π-conjugatedplane included in the near infrared absorbing colorant is preferably 2or more, more preferably 3 or more, still more preferably 4 or more, andstill more preferably 5 or more. The upper limit is preferably 100 orless, more preferably 50 or less, and still more preferably 30 or less.Examples of the aromatic ring include a benzene ring, a naphthalenering, a pentalene ring, an indene ring, an azulene ring, a heptalenering, an indacene ring, a perylene ring, a pentacene ring, aquaterrylene ring, an acenaphthene ring, a phenanthrene ring, ananthracene ring, a naphthacene ring, a chrysene ring, a triphenylenering, a fluorene ring, a pyridine ring, a quinoline ring, anisoquinoline ring, an imidazole ring, a benzimidazole ring, a pyrazolering, a thiazole ring, a benzothiazole ring, a triazole ring, abenzotriazole ring, an oxazole ring, a benzoxazole ring, an imidazolinering, a pyrazine ring, a quinoxaline ring, a pyrimidine ring, aquinazoline ring, a pyridazine ring, a triazine ring, a pyrrole ring, anindole ring, an isoindole ring, a carbazole ring, and a fused ringincluding the above-described ring.

It is preferable that the near infrared absorbing colorant is a compoundhaving a hydrophilic group. In a case where the compound having ahydrophilic group is used as the near infrared absorbing colorant,foreign matter or the like is likely to be formed during film formationor the moisture resistance of the film is likely to deteriorate in therelated art. However, with the curable composition according to theembodiment of the present invention, even in a case where the compoundhaving a hydrophilic group is used as the near infrared absorbingcolorant, a film having reduced foreign matter and excellent moistureresistance can be formed. Accordingly, the curable composition accordingto the embodiment of the present invention is effective particularly ina case where the compound having a hydrophilic group is used as the nearinfrared absorbing colorant.

As the hydrophilic group, for example, a group having affinity to watercan be used. Specific examples of the hydrophilic group include an aminogroup, a hydroxy group, a carboxyl group, a sulfo group, a cyano group,a methoxy group, a nitro group, an amido group, and a sulfonylamidegroup.

It is preferable that the near infrared absorbing colorant is a compoundhaving an absorption maximum in a wavelength range of 700 to 1000 nm. Inthis specification, “having an absorption maximum in a wavelength rangeof 700 to 1000 nm” denotes having a maximum absorbance in a wavelengthrange of 700 to 1000 nm in an absorption spectrum of the near infraredabsorbing colorant in a solution. Examples of a measurement solvent usedfor the measurement of the absorption spectra of the near infraredabsorbing colorant in the solution include chloroform, methanol,dimethyl sulfoxide, ethyl acetate, and tetrahydrofuran. In the case of acompound which is soluble in chloroform, chloroform is used as themeasurement solvent. In the case of a compound which is not soluble inchloroform, methanol is used. In addition, in the case of a compoundwhich is not soluble in chloroform and methanol, dimethyl sulfoxide isused.

It is preferable that the near infrared absorbing colorant is a compoundthat has an absorption maximum in a wavelength range of 700 to 1000 nmand in which a ratio Amax/A550 of an absorbance Amax at the absorptionmaximum to an absorbance A550 at a wavelength of 550 nm is 50 to 500.Amax/A550 in the near infrared absorbing colorant is preferably 70 to450 and more preferably 100 to 400. According to this aspect, a filmhaving excellent visible transparency and near infrared shieldingproperties can be easily manufactured. The absorbance A550 at awavelength of 550 nm and the absorbance Amax at the absorption maximumare values obtained from the absorption spectrum of the near infraredabsorbing colorant in the solution.

In the present invention, as the near infrared absorbing colorant, atleast two compounds having different absorption maximums are preferablyused. According to this aspect, the waveform of the absorption spectrumof the film is wider than that in a case where one near infraredabsorbing colorant is used, and the film can shield near infrared lightin a wide wavelength range. In a case where at least two compoundshaving different absorption maximums are used, it is preferable that thecompounds include at least a first near infrared absorbing coloranthaving an absorption maximum in a wavelength range of 700 to 1000 nm,and a second near infrared absorbing colorant having an absorptionmaximum in a wavelength range of 700 to 1000 nm which is shorter thanthe absorption maximum of the first near infrared absorbing colorant,and a difference between the absorption maximum of the first nearinfrared absorbing colorant and the absorption maximum of the secondnear infrared absorbing colorant is 1 to 150 nm.

In the present invention, as the near infrared absorbing colorant, atleast one selected from a pyrrolopyrrole compound, a cyanine compound, asquarylium compound, a phthalocyanine compound, a naphthalocyaninecompound, a quaterrylene compound, a merocyanine compound, a croconiumcompound, an oxonol compound, a diimmonium compound, a dithiol compound,a triarylmethane compound, a pyrromethene compound, an azomethinecompound, an anthraquinone compound, or a dibenzofuranone compound ispreferable, at least one selected from a pyrrolopyrrole compound, acyanine compound, a squarylium compound, a phthalocyanine compound, anaphthalocyanine compound, or a quaterrylene compound is morepreferable, at least one selected from a pyrrolopyrrole compound, acyanine compound, or a squarylium compound is still more preferable, anda pyrrolopyrrole compound is still more preferable. Examples of thediimmonium compound include a compound described in JP2008-528706A, thecontent of which is incorporated herein by reference. Examples of thephthalocyanine compound include a compound described in paragraph “0093”of JP2012-077153A, oxytitaniumphthalocyanine described inJP2006-343631A, and a compound described in paragraphs “0013” to “0029”of JP2013-195480A, the contents of which are incorporated herein byreference. Examples of the naphthalocyanine compound include a compounddescribed in paragraph “0093” of JP2012-077153A, the content of which isincorporated herein by reference. In addition, as the cyanine compound,the phthalocyanine compound, the naphthalocyanine compound, thediimmonium compound, or the squarylium compound, for example, a compounddescribed in paragraphs “0010” to “0081” of JP2010-111750A may be used,the content of which is incorporated herein by reference. In addition,the details of the cyanine compound can be found in, for example,“Functional Colorants by Makoto Okawara, Masaru Matsuoka, Teijiro Kitao,and Tsuneoka Hirashima, published by Kodansha Scientific Ltd.”, thecontent of which is incorporated herein by reference. In addition, acompound described in paragraphs JP2016-146619A can also be used as thenear infrared absorbing colorant, the content of which is incorporatedherein by reference.

As the pyrrolopyrrole compound, a compound represented by Formula (PP)is preferable.

In the formula, R^(1a) and R^(1b) each independently represent an alkylgroup, an aryl group, or a heteroaryl group, R² and R³ eachindependently represent a hydrogen atom or a substituent, R² and R³ maybe bonded to each other to form a ring, R⁴'s each independentlyrepresent a hydrogen atom, an alkyl group, an aryl group, a heteroarylgroup, —BR^(4A)R^(4B), or a metal atom, R⁴ may form a covalent bond or acoordinate bond with at least one selected from R^(1a), R^(1b), or R³,and R^(4A) and R^(4B) each independently represent a substituent. Thedetails of Formula (PP) can be found in paragraphs “0017” to “0047” ofJP2009-263614A, paragraphs “0011” to “0036” of JP2011-068731A, andparagraphs “0010” to “0024” of WO2015/166873A, the contents of which areincorporated herein by reference.

R^(1a) and R^(1b) each independently represent preferably an aryl groupor a heteroaryl group, and more preferably an aryl group. In addition,the alkyl group, the aryl group, and the heteroaryl group represented byR^(1a) to R^(1b) may have a substituent or may be unsubstituted.Examples of the substituent include an alkoxy group, a halogen atom,—OCOR¹¹, —SOR¹², —SO₂R¹³, an amino group, a hydroxy group, a carboxylgroup, a sulfo group, a cyano group, a nitro group, an amido group, anda sulfonylamide group. R¹¹ to R¹³ each independently represent ahydrocarbon group or a heterocyclic group. In addition, examples of thesubstituent include substituents described in paragraphs “0020” to“0022” of 2009-263614A. In addition, the substituent may be ahydrophilic group. Specific examples of the group represented by R^(1a)and R^(1b) include an aryl group which has an alkoxy group having abranched alkyl group as a substituent, an aryl group which has a hydroxygroup as a substituent, an aryl group which has a group represented by—OCOR¹¹ as a substituent, and an aryl group having a hydrophilic group.The number of carbon atoms in the branched alkyl group is preferably 3to 30 and more preferably 3 to 20.

It is preferable that at least one of R² or R³ represents anelectron-withdrawing group, and it is more preferable that R² representsan electron-withdrawing group (preferably a cyano group) and R³represents a heteroaryl group. It is preferable that the heteroarylgroup is a 5-membered or 6-membered ring. In addition, the heteroarylgroup is preferably a monocycle or a fused ring, more preferably amonocycle or a fused ring composed of 2 to 8 rings, and still morepreferably a monocycle or a fused ring composed of 2 to 4 rings. Thenumber of heteroatoms constituting the heteroaryl group is preferably 1to 3 and more preferably 1 or 2. Examples of the heteroatom include anitrogen atom, an oxygen atom, and a sulfur atom. It is preferable thatthe heteroaryl group has one or more nitrogen atoms. Two R²'s in Formula(PP) may be the same as or different from each other. In addition, twoR³'s in Formula (PP) may be the same as or different from each other.

R⁴ represents preferably a hydrogen atom, an alkyl group, an aryl group,a heteroaryl group, or a group represented by —BR^(4A)R^(4B), morepreferably a hydrogen atom, an alkyl group, an aryl group, or a grouprepresented by —BR^(4A)R^(4B), and still more preferably a grouprepresented by —BR^(4A)R^(4B). As the substituent represented by R^(4A)and R^(4B), a halogen atom, an alkyl group, an alkoxy group, an arylgroup, or a heteroaryl group is preferable, an alkyl group, an arylgroup, or a heteroaryl group is more preferable, and an aryl group isstill more preferable. Each of the groups may further have asubstituent. Two R⁴'s in Formula (PP) may be the same as or differentfrom each other.

Specific examples of the compound represented by Formula (PP) includethe following compounds. In the following structural formulae, Merepresents a methyl group, and Ph represents a phenyl group. Inaddition, Examples of the pyrrolopyrrole compound include compoundsdescribed in paragraphs “0016” to “0058” of JP2009-263614A, compoundsdescribed in paragraphs “0037” to “0052” of JP2011-068731A, compoundsdescribed in paragraphs “0010” to “0033” of WO2015/166873A, the contentsof which are incorporated herein by reference.

As the squarylium compound, a compound represented by the followingFormula (SQ) is preferable.

In Formula (SQ), A¹ and A² each independently represent an aryl group, aheteroaryl group, or a group represented by Formula (A-1).

In Formula (A-1), Z¹ represents a non-metal atomic group for forming anitrogen-containing heterocycle, R² represents an alkyl group, analkenyl group, or an aralkyl group, d represents 0 or 1, and a wave linerepresents a direct bond. The details of Formula (SQ) can be found inparagraphs “0020” to “0049” of JP2011-208101A, the content of which isincorporated herein by reference.

As shown below, cations in Formula (SQ) are present without beinglocalized.

Specific examples of the squarylium compound include the followingcompounds. In the following structural formula, EH represents anethylhexyl group. Examples of the squarylium compound include a compounddescribed in paragraphs “0044” to “0049” of JP2011-208101A, the contentof which is incorporated herein by reference.

As the cyanine compound, a compound represented by Formula (C) ispreferable. Formula (C)

In the formula, Z¹ and Z² each independently represent a non-metalatomic group for forming a 5- or 6-membered nitrogen-containingheterocycle which may be fused.

R¹⁰¹ and R¹⁰² each independently represent an alkyl group, an alkenylgroup, an alkynyl group, an aralkyl group, or an aryl group.

L¹ represents a methine chain including an odd number of methine groups.

a and b each independently represent 0 or 1.

In a case where a represents 0, a carbon atom and a nitrogen atom arebonded through a double bond. In a case where b represents 0, a carbonatom and a nitrogen atom are bonded through a single bond.

In a case where a site represented by Cy in the formula is a cationsite, X¹ represents an anion, and c represents the number of X¹'s forbalancing charge. In a case where a site represented by Cy in theformula is an anion site, X¹ represents a cation, and c represents thenumber of X¹'s for balancing charge. In a case where charge of a siterepresented by Cy in the formula is neutralized in a molecule, crepresents 0.

Specific examples of the cyanine compound include the followingcompounds. In the following structural formulae, Me represents a methylgroup. In addition, examples of the cyanine compound include a compounddescribed in paragraphs “0044” and “0045” of JP2009-108267A, a compounddescribed in paragraphs “0026” to “0030” of JP2002-194040, a compounddescribed in JP2015-172004A, a compound described in JP2015-172102A, anda compound described in JP2008-088426A, the contents of which areincorporated herein by reference.

In the present invention, as the near infrared absorbing colorant, acommercially available product can also be used. Examples of thecommercially available product include SDO-C33 (manufactured by ArimotoChemical Co., Ltd.); EXCOLOR IR-14, EXCOLOR IR-10A, EXCOLOR TX-EX-801B,and EXCOLOR TX-EX-805K (manufactured by Nippon Shokubai Co., Ltd.);Shigenox NIA-8041, Shigenox NIA-8042, Shigenox NIA-814, ShigenoxNIA-820, and Shigenox NIA-839 (manufactured by Hakkol Chemical Co.,Ltd.); Epolite V-63, Epolight 3801, and Epolight3036 (manufactured byEpolin Inc.); PRO-JET 825LDI (manufactured by Fujifilm Corporation);NK-3027 and NK-5060 (manufactured by Hayashibara Co., Ltd.); andYKR-3070 (manufactured by Mitsui Chemicals, Inc.).

In the curable composition according to the embodiment of the presentinvention, the content of the near infrared absorbing colorant is 10mass % or higher, preferably 12 mass % or higher, and more preferably 14mass % or higher with respect to the total solid content of the curablecomposition according to the embodiment of the present invention. In acase where the content of the near infrared absorbing colorant is 10mass % or higher, a film having excellent near infrared shieldingproperties can be easily formed. The upper limit of the content of thenear infrared absorbing colorant is preferably 80 mass % or lower, morepreferably 75 mass % or lower, and still more preferably 70 mass % orlower. In the present invention, as the near infrared absorbingcolorant, one kind may be used alone, or two or more kinds may be used.In a case where two or more near infrared absorbing colorants are usedin combination, it is preferable that the total content of the two ormore near infrared absorbing colorants is in the above-described range.

«Other Near Infrared Absorbers»

The curable composition according to the embodiment of the presentinvention may further include near infrared absorbers (also referred toas “other near infrared absorbers”) other than the near infraredabsorbing colorant. Examples of the other near infrared absorbersinclude an inorganic pigment (inorganic particles). The shape of theinorganic pigment is not particularly limited and may have a sheetshape, a wire shape, or a tube shape irrespective of whether or not theshape is spherical or non-spherical. As the inorganic pigment, metaloxide particles or metal particles are preferable. Examples of the metaloxide particles include indium tin oxide (ITO) particles, antimony tinoxide (ATO) particles, zinc oxide (ZnO) particles, Al-doped zinc oxide(Al-doped ZnO) particles, fluorine-doped tin dioxide (F-doped SnO₂)particles, and niobium-doped titanium dioxide (Nb-doped TiO₂) particles.Examples of the metal particles include silver (Ag) particles, gold (Au)particles, copper (Cu) particles, and nickel (Ni) particles. Inaddition, as the inorganic pigment, a tungsten oxide compound can alsobe used. As the tungsten oxide compound, cesium tungsten oxide ispreferable. The details of the tungsten oxide compound can be found inparagraph “0080” of JP2016-006476A, the content of which is incorporatedherein by reference.

In a case where the curable composition according to the embodiment ofthe present invention includes the other near infrared absorbers, thecontent of the other near infrared absorbers is preferably 0.01 to 50mass % with respect to the total solid content of the curablecomposition according to the embodiment of the present invention. Thelower limit is preferably 0.1 mass % or higher and more preferably 0.5mass % or higher. The upper limit is preferably 30 mass % or lower, andmore preferably 15 mass % or lower.

In addition, the content of the other near infrared absorbing absorbersis preferably 1 to 99 mass % with respect to the total mass of the nearinfrared absorbing colorant and the other near infrared absorbers. Theupper limit is preferably 80 mass % or lower, more preferably 50 mass %or lower, and still more preferably 30 mass % or lower.

In addition, it is also preferable that the curable compositionaccording to the embodiment of the present invention does notsubstantially include the other near infrared absorbers. Substantiallynot including the other near infrared absorbers represents that thecontent of the other near infrared absorbers is preferably 0.5 mass % orlower, more preferably 0.1 mass % or lower, and still more preferably 0mass % with respect to the total mass of the near infrared absorbingcolorant and the other near infrared absorbers.

«Polymerizable Monomer»

The curable composition according to the embodiment of the presentinvention includes a polymerizable monomer that has a group having anunsaturated double bond. As the polymerizable monomer, a compound thathas two or more groups having an unsaturated double bond is preferable,and a compound that has three or more groups having an unsaturateddouble bond is more preferable. The upper limit of the number of groupshaving an unsaturated double bond in the polymerizable monomer is, forexample, preferably 15 or less and more preferably 10 or less. Examplesof the group having an unsaturated double bond include a vinyl group, astyrene group, a (meth)allyl group, and a (meth)acryloyl group.

The molecular weight of the polymerizable monomer is preferably 5000 orlower, more preferably 3000 or lower, still more preferably 2000 orlower, and still more preferably 1500 or lower. The lower limit is, forexample, preferably 100 or higher and more preferably 250 or higher. Asthe polymerizable monomer, a (meth)acrylate compound having 3 to 15functional groups is preferable, a (meth)acrylate compound having 3 to10 functional groups is more preferable, and a (meth)acrylate compoundhaving 3 to 6 functional groups is still more preferable.

In the curable composition according to the embodiment of the presentinvention, the content of the polymerizable monomer (hereinafter, alsoreferred to as “polymerizable monomer M1”) that has at least one groupselected from an acid group or a hydroxyl group and a group having anunsaturated double bond is 50 mass % or lower, preferably 30 mass % orlower, more preferably 25 mass % or lower, still more preferably 20 mass% or lower, and still more preferably 15 mass % or lower with respect toa total mass of all the polymerizable monomers. The lower limit ispreferably 1 mass % or higher, more preferably 5 mass % or higher, andstill more preferably 10 mass % or higher. The content of thepolymerizable monomer M1 is preferably 1 to 30 mass % with respect tothe total mass of all the polymerizable monomers. In a case where thecontent of the polymerizable monomer M1 is 50 mass % or lower withrespect to the total mass of all the polymerizable monomers, a filmhaving reduced foreign matter can be formed. In the present invention,it is also preferable that the polymerizable monomers do notsubstantially include the polymerizable monomer M1. The polymerizablemonomers substantially not including the polymerizable monomer M1represents that the content of the polymerizable monomer M1 ispreferably 0.5 mass % or lower, more preferably 0.1 mass % or lower, andstill more preferably 0 mass % with respect to the total mass of all thepolymerizable monomers.

Examples of the acid group included in the polymerizable monomer M1include a carboxyl group, a sulfo group, and a phosphate group. The pKaof the polymerizable monomer M1 is preferably 6 or lower or 9 or higherand more preferably 5 or lower or 11 or higher.

It is preferable that the polymerizable monomer M1 is a compoundrepresented by the following Formula (M-1).(A¹)_(n1)-L¹-(Ac¹)_(n2)  Formula (M-1)

(In Formula (M-1), A¹ represents a hydroxyl group or an acid group, L¹represents a (n1+n2)valent group, Ac¹ represents a group having anunsaturated double bond, n1 represents an integer of 1 or more, and n2represents an integer of 1 or more)

Examples of the acid group represented by A¹ include a carboxyl group, asulfo group, and a phosphate group. Among these, a carboxyl group ispreferable.

Examples of the (n1+n2)valent group represented by L¹ include ahydrocarbon group, a heterocyclic group, —O—, —S—, —NR—, —CO—, —COO—,—OCO—, —SO₂—, a group including a combination of the above-describedgroups. R represents a hydrogen atom, an alkyl group, or an aryl groupand preferably a hydrogen atom. The hydrocarbon group may be analiphatic hydrocarbon group or an aromatic hydrocarbon group. Inaddition, the aliphatic hydrocarbon group may be cyclic or acyclic. Inaddition, the aliphatic hydrocarbon group may be a saturated aliphatichydrocarbon group or an unsaturated aliphatic hydrocarbon group. Thehydrocarbon group may have a substituent or may be unsubstituted. Inaddition, the cyclic aliphatic hydrocarbon group and the aromatichydrocarbon group may be a monocycle or a fused ring. The heterocyclicgroup may be a monocycle or a fused ring. It is preferable that theheterocyclic group is a 5-membered or 6-membered ring. The heterocyclicgroup may be an aliphatic heterocyclic group or an aromatic heterocyclicgroup. In addition, examples of the heteroatom constituting theheterocyclic group include a nitrogen atom, an oxygen atom, and a sulfuratom. It is preferable that L¹ represents a group including at least ahydrocarbon group. The number of carbon atoms constituting L¹ ispreferably 3 to 100 and more preferably 6 to 50.

Examples of the group having an unsaturated double bond represented byAc¹ include a vinyl group, a styrene group, a (meth)allyl group, and a(meth)acryloyl group. Among these, a (meth)acryloyl group is preferable.

n1 represents preferably 1 or 2 and more preferably 1. n2 representspreferably 2 or more and more preferably 3 or more. The upper limit ofn2 is preferably 15 or less and more preferably 10 or less.

Examples of the polymerizable monomer M1 include an ester compound of analiphatic polyhydroxy compound and an unsaturated carboxylic acid.

As the polymerizable monomers, the curable composition according to theembodiment of the present invention includes a polymerizable monomerthat does not have a hydroxyl group and an acid group (hereinafter, alsoreferred to as “polymerizable monomer M2”) in addition to thepolymerizable monomer M1.

It is preferable that the polymerizable monomer M2 is a compoundrepresented by the following Formula (M-2).L²-(Ac²)_(n3)  Formula (M-2)

(In Formula (M-2), L² represents a n3-valent group, Ac² represents agroup having an unsaturated double bond, and n3 represents an integer of1 or more)

Examples of the n3-valent group represented by L² include a hydrocarbongroup, a heterocyclic group, —O—, —S—, —NR—, —CO—, —COO—, —OCO—, —SO₂—,a group including a combination of the above-described groups. Rrepresents a hydrogen atom, an alkyl group, or an aryl group andpreferably a hydrogen atom. The details of the hydrocarbon group and theheterocyclic group are the same as the range described above regardingL¹. It is preferable that L² represents a group including at least ahydrocarbon group. The number of carbon atoms constituting L² ispreferably 3 to 100 and more preferably 6 to 50.

Examples of the group having an unsaturated double bond represented byAc² include a vinyl group, a styrene group, a (meth)allyl group, and a(meth)acryloyl group. Among these, a (meth)acryloyl group is preferable.

n3 represents preferably 2 or more and more preferably 3 or more. Theupper limit of n2 is preferably 15 or less and more preferably 10 orless.

Examples of the polymerizable monomer M2 include dipentaerythritolhexaacrylate, pentaerythritol tetraacrylate, trimethylolpropanetriacrylate, and ditrimethylolpropane tetraacrylate.

It is also preferable that the polymerizable monomer M1 and thepolymerizable monomer M2 are compounds having an alkyleneoxy group. Asthe compound having an alkyleneoxy group, a compound having anethyleneoxy group and/or a propyleneoxy group is preferable, a compoundhaving an ethyleneoxy group is more preferable, and a trifunctional tohexafunctional (meth)acrylate compound having 4 to 20 ethyleneoxy groupsis still more preferable.

As the polymerizable monomer M1 and the polymerizable monomer M2,compounds represented by the following Formulae (MO-1) to (MO-5) canalso be preferably used. In a case where T in the formulae represents anoxyalkylene group, a terminal thereof on a carbon atom side is bonded toR.

In the formulae, n represents 0 to 14, and m represents 1 to 8. Aplurality of R's and a plurality of T's which are present in onemolecule may be the same as or different from each other.

At least one of a plurality of R's which are present in each of thecompounds represented by Formula (MO-1) to (MO-5) represents a grouprepresented by —OC(═O)CH═CH₂ or —OC(═O)C(CH₃)═CH₂.

Specific examples of the polymerizable compounds represented by Formulae(MO-1) to (MO-5) include compounds described in paragraphs “0248” to“0251” of JP2007-269779A.

In addition, it is also preferable that the polymerizable monomer M1 andthe polymerizable monomer M2 are compounds having a caprolactonestructure. The compound having a caprolactone structure is notparticularly limited as long as it has a caprolactone structure in themolecule thereof, and examples thereof include ε-caprolactone-modifiedpolyfunctional (meth)acrylate obtained by esterification of a polyhydricalcohol, (meth)acrylic acid, and ε-caprolactone, the polyhydric alcoholbeing, for example, trimethylolethane, ditrimethylolethane,trimethylolpropane, ditrimethylolpropane, pentaerythritol,dipentaerythritol, tripentaerythritol, glycerin, diglycerol, ortrimethylolmelamine. As the compound having a caprolactone structure, acompound represented by the following Formula (Z-1) is preferable.

In Formula (Z-1), all of six R's represent a group represented byFormula (Z-2), or one to five R's among the six R's represent a grouprepresented by Formula (Z-2) and the remaining R's represent a grouprepresented by Formula (Z-3), an acid group, or a hydroxyl group.

In Formula (Z-2), R¹ represents a hydrogen atom or a methyl group, mrepresents an integer of 1 or 2, and “*” represents a direct bond.

In Formula (Z-3), R¹ represents a hydrogen atom or a methyl group, and“*” represents a direct bond.

As the polymerizable monomer M1 and the polymerizable monomer M2, acompound represented by Formula (Z-4) or (Z-5) can also be used.

In Formulae (Z-4) and (Z-5), E's each independently represent—((CH₂)_(y)CH₂O)— or —((CH₂)_(y)CH(CH₃)O)—, y's each independentlyrepresent an integer of 0 to 10, and X's each independently represent a(meth)acryloyl group, a hydrogen atom, or a carboxyl group. In Formula(Z-4), the total number of (meth)acryloyl groups is 3 or 4, m's eachindependently represent an integer of 0 to 10, and the sum of m's is aninteger of 0 to 40. In Formula (Z-5), the total number of (meth)acryloylgroups is 5 or 6, n's each independently represent an integer of 0 to10, and the sum of n's is an integer of 0 to 60.

In Formula (Z-4), m represents preferably an integer of 0 to 6 and morepreferably an integer of 0 to 4. In addition, the sum of m's ispreferably an integer of 2 to 40, more preferably an integer of 2 to 16,and still more preferably an integer of 4 to 8.

In Formula (Z-5), n represents preferably an integer of 0 to 6 and morepreferably an integer of 0 to 4.

In addition, the sum of n's is preferably an integer of 3 to 60, morepreferably an integer of 3 to 24, and still more preferably an integerof 6 to 12.

In addition, it is preferable that, in —((CH₂)_(y)CH₂O)— or—((CH₂)_(y)CH(CH₃)O)— of Formula (Z-4) or (Z-5), a terminal thereof onan oxygen atom side is bonded to X.

In the curable composition according to the embodiment of the presentinvention, the total content of the polymerizable monomers (the totalcontent of the polymerizable monomer M1 and the polymerizable monomerM2) is preferably 5 to 60 mass % with respect to the total solid contentof the curable composition. The lower limit is, for example, preferably5 mass % or higher, more preferably 10 mass % or higher, and still morepreferably 15 mass % or higher. The upper limit is, for example,preferably 60 mass % or lower, more preferably 55 mass % or lower, andstill more preferably 50 mass % or lower.

«Epoxy Compound»

The curable composition according to the embodiment of the presentinvention may include a compound having an epoxy group (hereinafter,also referred to as “epoxy compound”). Examples of the epoxy compoundinclude a monofunctional or polyfunctional glycidyl ether compound, apolyfunctional aliphatic glycidyl ether compound, and a compound havingan alicyclic epoxy group.

It is preferable that the epoxy compound is a compound having 1 to 100epoxy groups in one molecule. The upper limit of the number of epoxygroups is, for example, 10 or less or 5 or less. The lower limit ispreferably 2 or more.

The epoxy compound may be a low molecular weight compound (for example,molecular weight: lower than 1000) or a high molecular weight compound(macromolecule; for example, molecular weight: 1000 or higher, and inthe case of a polymer, weight-average molecular weight: 1000 or higher).The weight-average molecular weight of the epoxy compound is preferably2000 to 100000. The upper limit of the weight-average molecular weightis preferably 10000 or lower, more preferably 5000 or lower, and stillmore preferably 3000 or lower.

Examples of a commercially available product of the epoxy compoundinclude EHPE 3150 (manufactured by Daicel Corporation), EPICLON N-695(manufactured by DIC Corporation), ADEKA GLYCILOL ED-505 (manufacturedby Adeka Corporation, an epoxy group-containing monomer), and MARPROOFG-0150M, G-0105SA, G-0130SP, G-0250SP, G-1005S, G-1005SA, G-1010S,G-2050M, G-01100, or G-01758 (manufactured by NOF Corporation, an epoxygroup-containing polymer). In addition, as the epoxy compound, compoundsdescribed in paragraphs “0034” to “0036” of JP2013-011869A, paragraphs“0147” to “0156” of JP2014-043556A, and paragraphs “0085” to “0092” ofJP2014-089408A can also be used. The contents of which are incorporatedherein by reference.

In a case where the curable composition according to the embodiment ofthe present invention includes the epoxy compound, the content of theepoxy compound is preferably 0.1 mass % or higher and more preferably0.5 mass % or higher with respect to the total solid content of thecurable composition. The upper limit is preferably 60 mass % or lower,more preferably 50 mass % or lower, and still more preferably 40 mass %or lower.

«Resin»

It is preferable that the curable composition according to theembodiment of the present invention includes a resin. The resin isadded, for example, in order to disperse particles of the pigments andthe like in the composition or to be added as a binder. The resin whichis mainly used to disperse particles of the pigments and the like willalso be called a dispersant. However, the above-described uses of theresin are merely exemplary, and the resin can be used for purposes otherthan the uses.

The weight-average molecular weight (Mw) of the resin is preferably 2000to 2000000. The upper limit is preferably 1000000 or lower and morepreferably 500000 or lower. The lower limit is preferably 3000 or higherand more preferably 5000 or higher.

Examples of the resin include a (meth)acrylic resin, an epoxy resin, anenethiol resin, a polycarbonate resin, a polyether resin, a polyarylateresin, a polysulfone resin, a polyethersulfone resin, a polyphenyleneresin, a polyarylene ether phosphine oxide resin, a polyimide resin, apolyamide imide resin, a polyolefin resin, a cyclic olefin resin, apolyester resin, and a styrene resin. Among these resins, one kind maybe used alone, or a mixture of two or more kinds may be used.

The resin used in the present invention may have an acid group. Examplesof the acid group include a carboxyl group, a phosphate group, a sulfogroup, and a phenolic hydroxy group. Among these, a carboxyl group ispreferable. Among these acid groups, one kind may be used alone, or twoor more kinds may be used in combination. The resin having an acid groupcan also be used as an alkali-soluble resin.

As the resin having an acid group, a polymer having a carboxyl group ata side chain is preferable. Specific examples of the resin include analkali-soluble phenol resin such as a methacrylic acid copolymer, anacrylic acid copolymer, an itaconic acid copolymer, a crotonic acidcopolymer, a maleic acid copolymer, a partially esterified maleic acidcopolymer, or a novolac resin, an acidic cellulose derivative having acarboxyl group at a side chain thereof, and a resin obtained by addingan acid anhydride to a polymer having a hydroxy group. In particular, acopolymer of (meth)acrylic acid and another monomer which iscopolymerizable with the (meth)acrylic acid is preferable as thealkali-soluble resin. Examples of the monomer which is copolymerizablewith the (meth)acrylic acid include an alkyl (meth)acrylate, an aryl(meth)acrylate, and a vinyl compound. Examples of the alkyl(meth)acrylate and the aryl (meth)acrylate include methyl(meth)acrylate, ethyl (meth)acrylate, propyl (meth)acrylate, butyl(meth)acrylate, isobutyl (meth)acrylate, pentyl (meth)acrylate, hexyl(meth)acrylate, octyl (meth)acrylate, phenyl (meth)acrylate, benzyl(meth)acrylate, tolyl (meth)acrylate, naphthyl (meth)acrylate, andcyclohexyl (meth)acrylate. Examples of the vinyl compound includestyrene, α-methylstyrene, vinyl toluene, glycidyl methacrylate,acrylonitrile, vinyl acetate, N-vinylpyrrolidone, tetrahydrofurfurylmethacrylate, a polystyrene macromonomer, and a polymethyl methacrylatemacromonomer. Examples of other monomers include aN-position-substituted maleimide monomer described in JP1998-300922A(JP-H10-300922A) such as N-phenylmaleimide or N-cyclohexylmaleimide.Among these monomers which are copolymerizable with the (meth)acrylicacid, one kind may be used alone, or two or more kinds may be used incombination.

The resin having an acid group may further have a polymerizable group.Examples of the polymerizable group include a (meth)allyl group and a(meth)acryloyl group. Examples of a commercially available product ofthe resin include DIANAL NR series (manufactured by Mitsubishi RayonCo., Ltd.), PHOTOMER 6173 (a carboxyl group-containing polyurethaneacrylate oligomer; manufactured by Diamond Shamrock Co., Ltd.), VISCOATR-264 and KS Resist 106 (both of which are manufactured by Osaka OrganicChemical Industry Ltd.), CYCLOMER P series (for example, ACA230AA) andPLAKCEL CF200 series (both of which manufactured by Daicel Corporation),EBECRYL 3800 (manufactured by Daicel-UCB Co., Ltd.), and ACRYCURE RD-F8(manufactured by Nippon Shokubai Co., Ltd.).

As the resin having an acid group, a copolymer including benzyl(meth)acrylate and (meth)acrylic acid; a copolymer including benzyl(meth)acrylate, (meth)acrylic acid, and 2-hydroxyethyl (meth)acrylate;or a multi-component copolymer including benzyl (meth)acrylate,(meth)acrylic acid, and another monomer can be preferably used. Inaddition, copolymers described in JP1995-140654A (JP-H7-140654A)obtained by copolymerization of 2-hydroxyethyl (meth)acrylate can bepreferably used, and examples thereof include: a copolymer including2-hydroxypropyl (meth)acrylate, a polystyrene macromonomer, benzylmethacrylate, and methacrylic acid; a copolymer including2-hydroxy-3-phenoxypropyl acrylate, a polymethyl methacrylatemacromonomer, benzyl methacrylate, and methacrylic acid; a copolymerincluding 2-hydroxyethyl methacrylate, a polystyrene macromonomer,methyl methacrylate, and methacrylic acid; or a copolymer including2-hydroxyethyl methacrylate, a polystyrene macromonomer, benzylmethacrylate, and methacrylic acid.

As the resin having an acid group, a polymer that includes a repeatingunit derived from monomer components including a compound represented bythe following Formula (ED1) and/or a compound represented by thefollowing Formula (ED2) (hereinafter, these compounds will also bereferred to as “ether dimer”) is also preferable.

In Formula (ED1), R¹ and R² each independently represent a hydrogen atomor a hydrocarbon group having 1 to 25 carbon atoms which may have asubstituent.

In Formula (ED2), R represents a hydrogen atom or an organic grouphaving 1 to 30 carbon atoms. Specific examples of Formula (ED2) can befound in the description of JP2010-168539A.

Specific examples of the ether dimer can be found in paragraph “0317” ofJP2013-029760A, the content of which is incorporated herein byreference. Among these ether dimers, one kind may be used alone, or twoor more kinds may be used in combination.

The resin having an acid group may include a repeating unit which isderived from a compound represented by the following Formula (X).

In Formula (X), R₁ represents a hydrogen atom or a methyl group, R₂represents an alkylene group having 2 to 10 carbon atoms, and R₃represents a hydrogen atom or an alkyl group having 1 to 20 carbon atomswhich may have a benzene ring. n represents an integer of 1 to 15.

The details of the resin having an acid group can be found in paragraphs“0558” to “0571” of JP2012-208494A (corresponding to paragraphs “0685”to “0700” of US2012/0235099A) and paragraphs “0076” to “0099” ofJP2012-198408A, the contents of which are incorporated herein byreference. In addition, as the resin having an acid group, acommercially available product may also be used. Examples of thecommercially available product include ACRYBASE FF-426 (manufactured byFujikura Kasei Co., Ltd.).

The acid value of the resin having an acid group is preferably 30 to 200mgKOH/g. The lower limit is preferably 50 mgKOH/g or higher and morepreferably 70 mgKOH/g or higher. The upper limit is preferably 150mgKOH/g or lower and more preferably 120 mgKOH/g or lower.

Examples of the resin having an acid group include resins having thefollowing structures. In the following structural formulae, Merepresents a methyl group.

In the curable composition according to the embodiment of the presentinvention, as the resin, a resin having a repeating unit represented byany one of Formulae (A3-1) to (A3-7) is also preferably used.

In the formulae, R⁵ represents a hydrogen atom or an alkyl group, L⁴ toL⁷ each independently represent a single bond or a divalent linkinggroup, and R¹⁰ to R¹³ each independently represent an alkyl group or anaryl group. R¹⁴ and R¹⁵ each independently represent a hydrogen atom ora substituent.

R⁵ represents a hydrogen atom or an alkyl group. The number of carbonatoms in the alkyl group is preferably 1 to 5, more preferably 1 to 3,and still more preferably 1. It is preferable that R⁵ represents ahydrogen atom or a methyl group.

L⁴ to L⁷ each independently represent a single bond or a divalentlinking group. Examples of the divalent linking group include analkylene group, an arylene group, —O—, —S—, —CO—, —COO—, —OCO—, —SO₂—,—NR¹⁰— (R¹⁰ represents a hydrogen atom or an alkyl group and preferablya hydrogen atom), and a group including a combination thereof. Thenumber of carbon atoms in the alkylene group is preferably 1 to 30, morepreferably 1 to 15, and still more preferably 1 to 10. The alkylenegroup may have a substituent but is preferably unsubstituted. Thealkylene group may be linear, branched, or cyclic. In addition, thecyclic alkylene group may be monocyclic or polycyclic. The number ofcarbon atoms in the arylene group is preferably 6 to 18, more preferably6 to 14, and still more preferably 6 to 10.

The alkyl group represented by R¹⁰ to R¹³ may be linear, branched, orcyclic and is preferably cyclic. The alkyl group may have a substituentor may be unsubstituted. The number of carbon atoms in the alkyl groupis preferably 1 to 30, more preferably 1 to 20, and still morepreferably 1 to 10. The number of carbon atoms in the aryl grouprepresented by R¹⁰ to R¹³ is preferably 6 to 18, more preferably 6 to12, and still more preferably 6. It is preferable that R¹⁰ represents acyclic alkyl group or an aryl group. It is preferable that R¹¹ and R¹²represent a linear or branched alkyl group. It is preferable that R¹³represents a linear alkyl group, a branched alkyl group, or an arylgroup.

Examples of the substituent represented by R¹⁴ and R¹⁵ include a halogenatom, a cyano group, a nitro group, an alkyl group, an alkenyl group, analkynyl group, an aryl group, a heteroaryl group, an aralkyl group, analkoxy group, an aryloxy group, a heteroaryloxy group, an alkylthiogroup, an arylthio group, a heteroarylthio group, —NR^(a1)R^(a2),—COR^(a3), —COOR^(a4), —OCOR^(a5), —NHCOR^(a6), —CONR^(a7)R^(a8),—NHCONR^(a9)R^(a10), NHCOOR^(a11), —SO₂R^(a12), —SO₂OR^(a13),—NHSO₂R^(a14), and —SO₂NR^(a15)R^(a16). R^(a1) to R^(a16) eachindependently represent a hydrogen atom, an alkyl group, an alkenylgroup, an alkynyl group, an aryl group, or a heteroaryl group. Inparticular, it is preferable that at least one of R¹⁴ or R¹⁵ representsa cyano group or —COOR^(a4). It is preferable that R^(a4) represents ahydrogen atom, an alkyl group, or an aryl group.

Examples of a commercially available product of the resin having arepeating unit represented by Formula (A3-7) include ARTON F4520(manufactured by JSR Corporation). In addition, the details of the resinhaving a repeating unit represented by Formula (A3-7) can be found inparagraphs “0053” to “0075” and “0127” to “0130” of JP2011-100084A, thecontent of which is incorporated herein by reference.

The curable composition according to the embodiment of the presentinvention may include a resin as a dispersant. In particular, in a casewhere a pigment is used, it is preferable that the composition includesa dispersant. Examples of the dispersant include an acidic dispersant(acidic resin) and a basic dispersant (basic resin). Here, the acidicdispersant (acidic resin) refers to a resin in which the amount of anacid group is more than the amount of a basic group. In a case where thesum of the amount of an acid group and the amount of a basic group inthe acidic dispersant (acidic resin) is represented by 100 mol %, theamount of the acid group in the acidic resin is preferably 70 mol % orhigher and more preferably substantially 100 mol %. The acid group inthe acidic dispersant (acidic resin) is preferably a carboxyl group. Anacid value of the acidic dispersant (acidic resin) is preferably 40 to105 mgKOH/g, more preferably 50 to 105 mgKOH/g, and still morepreferably 60 to 105 mgKOH/g. In addition, the basic dispersant (basicresin) refers to a resin in which the amount of a basic group is morethan the amount of an acid group. In a case where the sum of the amountof an acid group and the amount of a basic group in the basic dispersant(basic resin) is represented by 100 mol %, the amount of the basic groupin the basic resin is preferably higher than 50 mol %. The basic groupin the basic dispersant is preferably an amino group.

It is preferable that the resin A used as the dispersant furtherincludes a repeating unit having an acid group. By the resin, which isused as the dispersant, including the repeating unit having an acidgroup, in a case where a pattern is formed using a photolithographymethod, the amount of residues formed in an underlayer of a pixel can bereduced.

It is preferable that the resin used as the dispersant is a graftcopolymer. Since the graft copolymer has affinity to the solvent due tothe graft chain, the pigment dispersibility and the dispersion stabilityover time are excellent. The details of the graft copolymer can be foundin the description of paragraphs “0025” to “0094” of JP2012-255128A, thecontent of which is incorporated herein by reference. In addition,specific examples of the graft copolymer include the following resins.The following resin may also be a resin having an acid group(alkali-soluble resin). In addition, other examples of the graftcopolymer include resins described in paragraphs “0072” to “0094” ofJP2012-255128A, the content of which is incorporated herein byreference.

In addition, in the present invention, as the resin (dispersant), anoligoimine dispersant having a nitrogen atom at at least either a mainchain or a side chain is also preferably used. As the oligoiminedispersant, a resin, which includes a structural unit having a partialstructure X with a functional group (pKa: 14 or lower) and a side chainincluding a side chain Y having 40 to 10000 atoms and has a basicnitrogen atom at at least either a main chain or a side chain, ispreferable. The basic nitrogen atom is not particularly limited as longas it is a nitrogen atom exhibiting basicity. The oligoimine dispersantcan be found in the description of paragraphs “0102” to “0166” ofJP2012-255128A, the content of which is incorporated herein byreference. Specific examples of the oligoimine dispersant are asfollows. The following resin may also be a resin having an acid group(alkali-soluble resin). In addition, as the oligoimine dispersant, aresin described in paragraphs “0168” to “0174” of JP2012-255128A can beused.

The dispersant is available as a commercially available product, andspecific examples thereof include Disperbyk-111 (manufactured by BYKChemie) and SOLSPERSE 76500 (manufactured by Lubrication TechnologyInc.). In addition, a pigment dispersant described in paragraphs “0041”to “0130” of JP2014-130338A can also be used, the content of which isincorporated herein by reference. In addition, the resin having an acidgroup or the like can also be used as a dispersant.

In the curable composition according to the embodiment of the presentinvention, the content of the resin is preferably 1 to 80 mass % withrespect to the total solid content of the curable composition accordingto the embodiment of the present invention. The lower limit ispreferably 5 mass % or higher and more preferably 7 mass % or higher.The upper limit is preferably 50 mass % or lower and more preferably 30mass % or lower.

In addition, in a case where the curable composition includes a resinhaving an acid group as the resin, the content of the resin having anacid group is preferably 0.1 to 40 mass % with respect to the totalsolid content of the curable composition. The upper limit is preferably20 mass % or lower, and more preferably 10 mass % or lower. The lowerlimit is preferably 0.5 mass % or higher and more preferably 1 mass % orhigher. In addition, the content of the resin having an acid group ispreferably 50 to 500 parts by mass, more preferably 60 to 350 parts bymass, and still more preferably 70 to 250 parts by mass with respect to100 parts by mass of the total content of the polymerizable monomers(the total content of the polymerizable monomer M1 and the polymerizablemonomer M2). In a case where the content of the resin having an acidgroup is in the above-described range, excellent developability can beeasily obtained.

In addition, in a case where the curable composition includes adispersant as the resin, the content of the dispersant is preferably 0.1to 40 mass % with respect to the total solid content of the curablecomposition. The upper limit is preferably 20 mass % or lower, and morepreferably 10 mass % or lower. The lower limit is preferably 0.5 mass %or higher and more preferably 1 mass % or higher. The content of thedispersant is preferably 1 to 100 parts by mass with respect to 100parts by mass of the pigment. The upper limit is preferably 80 parts bymass or less and more preferably 60 parts by mass or less. The lowerlimit is preferably 2.5 parts by mass or more and more preferably 5parts by mass or more.

«Photopolymerization Initiator»

The curable composition according to the embodiment of the presentinvention may include a photopolymerization initiator. Thephotopolymerization initiator is not particularly limited and can beappropriately selected from well-known photopolymerization initiators.For example, a compound having photosensitivity to light in a range froman ultraviolet range to a visible range is preferable. It is preferablethat the photopolymerization initiator is a photoradical polymerizationinitiator.

Examples of the photopolymerization initiator include a halogenatedhydrocarbon derivative (for example, a compound having a triazineskeleton or a compound having an oxadiazole skeleton), an acylphosphinecompound, a hexaarylbiimidazole, an oxime compound, an organic peroxide,a thio compound, a ketone compound, an aromatic onium salt, anα-hydroxyketone compound, and an α-aminoketone compound. In addition,from the viewpoint of exposure sensitivity, as the photopolymerizationinitiator, a trihalomethyltriazine compound, a benzyldimethylketalcompound, an α-hydroxyketone compound, an α-aminoketone compound, anacylphosphine compound, a phosphine oxide compound, a metallocenecompound, an oxime compound, a triarylimidazole dimer, an oniumcompound, a benzothiazole compound, a benzophenone compound, anacetophenone compound, a cyclopentadiene-benzene-iron complex, ahalomethyl oxadiazole compound, or a 3-aryl-substituted coumarincompound is preferable, a compound selected from the group consisting ofan oxime compound, an α-hydroxy ketone compound, an α-aminoketonecompound, and an acylphosphine compound is more preferable, and an oximecompound is still more preferable. The details of thephotopolymerization initiator can be found in paragraphs “0065” to“0111” of JP2014-130173A, the content of which is incorporated herein byreference.

Examples of a commercially available product of the α-hydroxyketonecompound include IRGACURE-184, DAROCUR-1173, IRGACURE-500,IRGACURE-2959, and IRGACURE-127 (all of which are manufactured by BASFSE). Examples of a commercially available product of the α-aminoketonecompound include IRGACURE-907, IRGACURE-369, IRGACURE-379, andIRGACURE-379EG (all of which are manufactured by BASF SE). Examples of acommercially available product of the acylphosphine compound includeIRGACURE-819, and DAROCUR-TPO (all of which are manufactured by BASFSE).

As the oxime compound, a compound described in JP2001-233842A, acompound described in JP2000-080068A, a compound described inJP2006-342166A, or a compound described in JP2016-021012A can be used.Examples of the oxime compound which can be preferably used in thepresent invention include 3-benzoyloxyiminobutane-2-one,3-acetoxyiminobutane-2-one, 3-propionyloxyiminobutane-2-one,2-acetoxyiminopentane-3-one, 2-acetoxyimino-1-phenylpropane-1-one,2-benzoyloxyimino-1-phenylpropane-1-one, 3-(4-toluenesulfonyloxy)iminobutane-2-one, and2-ethoxycarbonyloxyimino-1-phenylpropane-1-one. In addition, examples ofthe oxime compound include a compound described in J.C.S. Perkin II(1979), pp. 1653-1660, J.C.S. Perkin II (1979), pp. 156-162 and Journalof Photopolymer Science and Technology (1995), pp. 202-232,JP2000-066385A, JP2000-080068A, JP2004-534797A, or JP2006-342166A. As acommercially available product of the oxime compound, IRGACURE-OXE01,IRGACURE-OXE02, IRGACURE-OXE03, or IRGACURE-OXE04 (all of which aremanufactured by BASF SE) can also be preferably used. In addition,TR-PBG-304 (manufactured by Changzhou Tronly New Electronic MaterialsCo., Ltd.), ADEKA ARKLS NCI-831 (manufactured by Adeka Corporation),ADEKA ARKLS NCI-930 (manufactured by Adeka Corporation), ADEKA OPTOMERN-1919 (manufactured by Adeka Corporation, a photopolymerizationinitiator 2 described in JP2012-014052A) can also be used.

In the present invention, an oxime compound having a fluorene ring canalso be used as the photopolymerization initiator. Specific examples ofthe oxime compound having a fluorene ring include a compound describedin JP2014-137466A. The content is incorporated herein by reference.

In the present invention, an oxime compound having a fluorine atom canalso be used as the photopolymerization initiator. Specific examples ofthe oxime compound having a fluorine atom include a compound describedin JP2010-262028A, Compound 24 and 36 to 40 described in JP2014-500852A,and Compound (C-3) described in JP2013-164471A. The content isincorporated herein by reference.

In the present invention, as the photopolymerization initiator, an oximecompound having a nitro group can be used. It is preferable that theoxime compound having a nitro group is a dimer. Specific examples of theoxime compound having a nitro group include a compound described inparagraphs “0031” to “0047” of JP2013-114249A and paragraphs “0008” to“0012” and “0070” to “0079” of JP2014-137466A, a compound described inparagraphs “0007” to 0025” of JP4223071B, and ADEKA ARKLS NCI-831(manufactured by Adeka Corporation).

Specific examples of the oxime compound which are preferably used in thepresent invention are shown below, but the present invention is notlimited thereto.

The oxime compound is preferably a compound having an absorption maximumin a wavelength range of 350 nm to 500 nm and more preferably a compoundhaving an absorption maximum in a wavelength range of 360 nm to 480 nm.In addition, the oxime compound is preferably a compound having a highabsorbance at 365 nm and 405 nm.

The molar absorption coefficient of the oxime compound at 365 nm or 405nm is preferably 1000 to 300000, more preferably 2000 to 300000, andstill more preferably 5000 to 200000 from the viewpoint of sensitivity.

The molar absorption coefficient of the compound can be measured using awell-known method. For example, it is preferable that the molarabsorption coefficient can be measured using a spectrophotometer (Cary-5spectrophotometer, manufactured by Varian Medical Systems, Inc.) andethyl acetate as a solvent at a concentration of 0.01 g/L.

It is preferable that the photopolymerization initiator includes anoxime compound and an α-aminoketone compound. By using the oximecompound and the α-aminoketone compound in combination, thedevelopability is improved, and a pattern having excellentrectangularity is likely to be formed. In a case where the oximecompound and the α-aminoketone compound are used in combination, thecontent of the α-aminoketone compound is preferably 50 to 600 parts bymass and more preferably 150 to 400 parts by mass with respect to 100parts by mass of the oxime compound.

The content of the photopolymerization initiator is preferably 0.1 to 50mass %, more preferably 0.5 to 30 mass %, and still more preferably 1 to20 mass % with respect to the total solid content of the curablecomposition. In a case where the content of the photopolymerizationinitiator is in the above-described range, developability is excellent.The curable composition according to the embodiment of the presentinvention may include one photopolymerization initiator or two or morephotopolymerization initiators. In a case where the composition includestwo or more photopolymerization initiators, it is preferable that thetotal content of the photopolymerization initiators is in theabove-described range.

«Chromatic Colorant»

The curable composition according to the embodiment of the presentinvention may include a chromatic colorant. In the present invention,“chromatic colorant” denotes a colorant other than a white colorant anda black colorant. It is preferable that the chromatic colorant is acolorant having an absorption in a wavelength range of 400 nm or longerand shorter than 650 nm.

In the present invention, the chromatic colorant may be a pigment or adye. As the pigment, an organic pigment is preferable. Examples of theorganic pigment are as follows:

Color Index (C.I.) Pigment Yellow 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14,15, 16, 17, 18, 20, 24, 31, 32, 34, 35, 35:1, 36, 36:1, 37, 37:1, 40,42, 43, 53, 55, 60, 61, 62, 63, 65, 73, 74, 77, 81, 83, 86, 93, 94, 95,97, 98, 100, 101, 104, 106, 108, 109, 110, 113, 114, 115, 116, 117, 118,119, 120, 123, 125, 126, 127, 128, 129, 137, 138, 139, 147, 148, 150,151, 152, 153, 154, 155, 156, 161, 162, 164, 166, 167, 168, 169, 170,171, 172, 173, 174, 175, 176, 177, 179, 180, 181, 182, 185, 187, 188,193, 194, 199, 213, and 214 (all of which are yellow pigments);

C.I. Pigment Orange 2, 5, 13, 16, 17:1, 31, 34, 36, 38, 43, 46, 48, 49,51, 52, 55, 59, 60, 61, 62, 64, 71, and 73 (all of which are orangepigments);

C.I. Pigment Red 1, 2, 3, 4, 5, 6, 7, 9, 10, 14, 17, 22, 23, 31, 38, 41,48:1, 48:2, 48:3, 48:4, 49, 49:1, 49:2, 52:1, 52:2, 53:1, 57:1, 60:1,63:1, 66, 67, 81:1, 81:2, 81:3, 83, 88, 90, 105, 112, 119, 122, 123,144, 146, 149, 150, 155, 166, 168, 169, 170, 171, 172, 175, 176, 177,178, 179, 184, 185, 187, 188, 190, 200, 202, 206, 207, 208, 209, 210,216, 220, 224, 226, 242, 246, 254, 255, 264, 270, 272, and 279 (all ofwhich are red pigments);

C.I. Pigment Green 7, 10, 36, 37, 58, and 59 (all of which are greenpigments); C.I. Pigment Violet 1, 19, 23, 27, 32, 37, and 42 (all ofwhich are violet pigments); and

C.I. Pigment Blue 1, 2, 15, 15:1, 15:2, 15:3, 15:4, 15:6, 16, 22, 60,64, 66, 79, and 80 (all of which are blue pigments).

Among these organic pigments, one kind may be used alone, or two or morekinds may be used in combination.

As the dye, well-known dyes can be used without any particularlimitation. In terms of a chemical structure, a dye such as a pyrazoleazo dye, an anilino azo dye, a triarylmethane dye, an anthraquinone dye,an anthrapyridone dye, a benzylidene dye, an oxonol dye, apyrazolotriazole azo dye, a pyridone azo dye, a cyanine dye, aphenothiazine dye, a pyrrolopyrazole azomethine dye, a xanthene dye, aphthalocyanine dye, a benzopyran dye, an indigo dye, or a pyrromethenedye can be used. In addition, a polymer of the above-described dyes maybe used. In addition, dyes described in JP2015-028144A andJP2015-034966A can also be used.

In a case where the curable composition according to the embodiment ofthe present invention includes a chromatic colorant, it is preferablethat the content of the chromatic colorant is 0.1 to 70 mass % withrespect to the total solid content of the curable composition accordingto the embodiment of the present invention. The lower limit ispreferably 0.5 mass % or higher and more preferably 1.0 mass % orhigher. The upper limit is preferably 60 mass % or lower, and morepreferably 50 mass % or lower.

The content of the chromatic colorant is preferably 10 to 1000 parts bymass and more preferably 50 to 800 parts by mass with respect to 100parts by mass of the near infrared absorbing colorant.

In addition, the total content of the chromatic colorant and the nearinfrared absorbing colorant is preferably 1 to 80 mass % with respect tothe total solid content of the curable composition according to theembodiment of the present invention. The lower limit is preferably 5mass % or higher and more preferably 10 mass % or higher. The upperlimit is preferably 70 mass % or lower, and more preferably 60 mass % orlower.

In a case where the curable composition according to the embodiment ofthe present invention includes two or more chromatic colorants, it ispreferable that the total content of the two or more chromatic colorantsis in the above-described range.

«Coloring Material that allows Transmission of Infrared Light andShields Visible Light»

The curable composition according to the embodiment of the presentinvention may also include the coloring material that allowstransmission of infrared light and shields visible light (hereinafter,also referred to as “coloring material that shields visible light”).

In the present invention, it is preferable that the coloring materialthat shields visible light is a coloring material that absorbs light ina wavelength range of violet to red. In addition, in the presentinvention, it is preferable that the coloring material that shieldsvisible light is a coloring material that shields light in a wavelengthrange of 450 to 650 nm. In addition, it is preferable that the coloringmaterial that shields visible light is a coloring material that allowstransmission of light in a wavelength range of 900 to 1300 nm.

In the present invention, it is preferable that the coloring materialthat shields visible light satisfies at least one of the followingrequirement (A) or (B).

(A): The coloring material that shields visible light includes two ormore chromatic colorants, and a combination of the two or more chromaticcolorants forms black.

(B): The coloring material that shields visible light includes anorganic black colorant.

Examples of the chromatic colorant are as described above. Examples ofthe organic black colorant include a bisbenzofuranone compound, anazomethine compound, a perylene compound, and an azo compound. Amongthese, a bisbenzofuranone compound or a perylene compound is preferable.Examples of the bisbenzofuranone compound include a compound describedin JP2010-534726A, JP2012-515233A, and JP2012-515234A. For example,“Irgaphor Black” (manufactured by BASF SE) is available. Examples of theperylene compound include C.I. Pigment Black 31 and 32. Examples of theazomethine compound include a compound described in JP1989-170601A(JP-H1-170601A) and JP1990-034664A (JP-H2-034664A). For example,“CHROMOFINE BLACK A1103” (manufactured by Dainichiseika Color &Chemicals Mfg. Co., Ltd.) is available.

In a case where a combination of two or more chromatic colorants formsblack, examples of the combination of chromatic colorants are asfollows.

(1) An aspect in which the coloring material that shields visible lightincludes a yellow colorant, a blue colorant, a violet colorant, and ared colorant

(2) An aspect in which the coloring material that shields visible lightincludes a yellow colorant, a blue colorant, and a red colorant

(3) An aspect in which the coloring material that shields visible lightincludes a yellow colorant, a violet colorant, and a red colorant

(4) An aspect in which the coloring material that shields visible lightincludes a yellow colorant and a violet colorant

(5) An aspect in which the coloring material that shields visible lightincludes a green colorant, a blue colorant, a violet colorant, and a redcolorant

(6) An aspect in which the coloring material that shields visible lightincludes a violet colorant and an orange colorant

(7) An aspect in which the coloring material that shields visible lightincludes a green colorant, a violet colorant, and a red colorant

(8) An aspect in which the coloring material that shields visible lightincludes a green colorant and a red colorant

In a case where the curable composition according to the embodiment ofthe present invention includes the coloring material that shieldsvisible light, the content of the coloring material that shields visiblelight is preferably 60 mass % or lower, more preferably 50 mass % orlower, still more preferably 30 mass % or lower, still more preferably20 mass % or lower, and still more preferably 15 mass % or lower withrespect to the total solid content of the curable composition. The lowerlimit is, for example, 0.01 mass % or higher or 0.5 mass % or higher.

«Pigment Derivative»

The curable composition according to the embodiment of the presentinvention may further include a pigment derivative. Examples of thepigment derivative include a compound having a structure in which aportion of a pigment is substituted with an acid group, a basic group, agroup having a salt structure, or a phthalimidomethyl group. As thepigment derivative, a compound represented by Formula (B1) ispreferable.P

L-(X)_(n))_(m)  (B1)

In Formula (B1), P represents a colorant structure, L represents asingle bond or a linking group, X represents an acid group, a basicgroup, a group having a salt structure, or a phthalimidomethyl group, mrepresents an integer of 1 or more, n represents an integer of 1 ormore, in a case where m represents 2 or more, a plurality of L's and aplurality of X's may be different from each other, and in a case where nrepresents 2 or more, a plurality of X's may be different from eachother.

In Formula (B1), P represents a colorant structure, preferably at leastone selected from a pyrrolopyrrole colorant structure, a diketopyrrolopyrrole colorant structure, a quinacridone colorant structure, ananthraquinone colorant structure, a dianthraquinone colorant structure,a benzoisoindole colorant structure, a thiazine indigo colorantstructure, an azo colorant structure, a quinophthalone colorantstructure, a phthalocyanine colorant structure, a naphthalocyaninecolorant structure, a dioxazine colorant structure, a perylene colorantstructure, a perinone colorant structure, a benzimidazolone colorantstructure, a benzothiazole colorant structure, a benzimidazole colorantstructure, or a benzoxazole colorant structure, more preferably at leastone selected from a pyrrolopyrrole colorant structure, a diketopyrrolopyrrole colorant structure, a quinacridone colorant structure, ora benzimidazolone colorant structure, and still more preferably apyrrolopyrrole colorant structure.

In Formula (B1), L represents a single bond or a linking group. Thelinking group is preferably a group composed of 1 to 100 carbon atoms, 0to 10 nitrogen atoms, 0 to 50 oxygen atoms, 1 to 200 hydrogen atoms, and0 to 20 sulfur atoms, and may be unsubstituted or may further have asubstituent.

In Formula (B1), X represents an acid group, a basic group, a grouphaving a salt structure, or a phthalimidomethyl group. Among these, anacid group or a basic group is preferable. Examples of the acid groupinclude a carboxyl group and a sulfo group. Examples of the basic groupinclude an amino group.

Examples of the pigment derivative include compounds having thefollowing structures. In addition, for example, compounds described inJP1981-118462A (JP-S56-118462A), JP1988-264674A (JP-S63-264674A),JP1989-217077A (JP-H1-217077A), JP1991-009961A (JP-H3-009961A),JP1991-026767A (JP-H3-026767A), JP1991-153780A (JP-H3-153780A),JP1991-045662A (JP-H3-045662A), JP1992-285669A (JP-H4-285669A),JP1994-145546A (JP-H6-145546A), JP1994-212088A (JP-H6-212088A),JP1994-240158A (JP-H6-240158A), JP1998-030063A (JP-H10-030063A),JP1998-195326A (JP-H10-195326A), paragraphs “0086” to “0098” ofWO2011/024896A, and paragraphs “0063” to “0094” of WO2012/102399A can beused, the contents of which are incorporated herein by reference.

In a case where the curable composition according to the embodiment ofthe present invention includes the pigment derivative, the content ofthe pigment derivative is preferably 1 to 50 parts by mass with respectto 100 parts by mass of the pigment. The lower limit value is preferably3 parts by mass or more and more preferably 5 parts by mass or more. Theupper limit value is preferably 40 parts by mass or less and morepreferably 30 parts by mass or less. In a case where the content of thepigment derivative is in the above-described range, the pigmentdispersibility can be improved, and aggregation of the pigment can beeffectively suppressed. As the pigment derivative, one kind may be usedalone, or two or more kinds may be used in combination. In a case wheretwo or more pigment derivatives are used in combination, it ispreferable that the total content of the two or more pigment derivativesis in the above-described range.

«Solvent»

The curable composition according to the embodiment of the presentinvention may include a solvent. Examples of the solvent include anorganic solvent. Basically, the solvent is not particularly limited aslong as it satisfies the solubility of the respective components and theapplication properties of the composition. Examples of the organicsolvent include esters, ethers, ketones, and aromatic hydrocarbons. Thedetails of the organic solvent can be found in paragraph “0223” ofWO2015/166779A, the content of which is incorporated herein byreference. In addition, an ester solvent in which a cyclic alkyl groupis substituted or a ketone solvent in which a cyclic alkyl group issubstituted can also be preferably used. Specific examples of theorganic solvent include dichloromethane, methyl 3-ethoxypropionate,ethyl 3-ethoxypropionate, ethyl cellosolve acetate, ethyl lactate,diethylene glycol dimethyl ether, butyl acetate, methyl3-methoxypropionate, 2-heptanone, cyclohexanone, cyclohexyl acetate,cyclopentanone, ethyl carbitol acetate, butyl carbitol acetate,propylene glycol monomethyl ether, and propylene glycol monomethyl etheracetate. In the present invention, as the organic solvent, one kind maybe used alone, or two or more kinds may be used in combination. In thiscase, it may be preferable that the content of the aromatic hydrocarbon(for example, benzene, toluene, xylene, or ethylbenzene) as the solventis low (for example, 50 mass parts per million (ppm) or lower, 10 massppm or lower, or 1 mass ppm or lower with respect to the total mass ofthe organic solvent) in consideration of environmental aspects and thelike.

In the present invention, a solvent having a low metal content ispreferably used. For example, the metal content in the solvent ispreferably 10 mass parts per billion (ppb) or lower. Optionally, asolvent having a metal content at a mass parts per trillion (ppt) levelmay be used. For example, such a high-purity solvent is available fromToyo Gosei Co., Ltd. (The Chemical Daily, Nov. 13, 2015).

Examples of a method of removing impurities such as metal from thesolvent include distillation (for example, molecular distillation orthin-film distillation) and filtering using a filter. The pore size of afilter used for the filtering is preferably 10 μm or less, morepreferably 5 μm or less, and still more preferably 3 μm or less. As amaterial of the filter, polytetrafluoroethylene, polyethylene, or nylonis preferable.

The solvent may include an isomer (a compound having the same number ofatoms and a different structure). In addition, the organic solvent mayinclude only one isomer or a plurality of isomers.

In the present invention, as the organic solvent, an organic solventcontaining 0.8 mmol/L or lower of a peroxide is preferable, and anorganic solvent containing substantially no peroxide is more preferable.

The content of the solvent is preferably 10 to 90 mass %, morepreferably 20 to 80 mass %, and still more preferably 25 to 75 mass %with respect to the total mass of the curable composition.

«Polymerization Inhibitor»

The curable composition according to the embodiment of the presentinvention may include a polymerization inhibitor. Examples of thepolymerization inhibitor include hydroquinone, p-methoxyphenol,di-t-butyl-p-cresol, pyrogallol, t-butylcatechol, benzoquinone,4,4′-thiobis(3-methyl-6-t-butylphenol),2,2′-methylenebis(4-methyl-6-t-butylphenol), andN-nitrosophenylhydroxyamine salt (for example, an ammonium salt or acerium (III) salt). Among these, p-methoxyphenol is preferable. Thecontent of the polymerization inhibitor is preferably 0.001 to 5 mass %with respect to the total solid content of the curable composition.

«Silane Coupling Agent»

The curable composition according to the embodiment of the presentinvention may include a silane coupling agent. In the present invention,the silane coupling agent refers to a silane compound having afunctional group other than a hydrolyzable group. In addition, thehydrolyzable group refers to a substituent directly linked to a siliconatom and capable of forming a siloxane bond due to at least one of ahydrolysis reaction or a condensation reaction. Examples of thehydrolyzable group include a halogen atom, an alkoxy group, and anacyloxy group. Among these, an alkoxy group is preferable. That is, itis preferable that the silane coupling agent is a compound having analkoxysilyl group. Examples of the functional group other than ahydrolyzable group include a vinyl group, a styrene group, a(meth)acryloyl group, a mercapto group, an epoxy group, an oxetanylgroup, an amino group, an ureido group, a sulfide group, an isocyanategroup, and a phenyl group. Among these, a (meth)acryloyl group or anepoxy group is preferable. Examples of the silane coupling agent includea compound described in paragraphs “0018” to “0036” of JP2009-288703Aand a compound described in paragraphs “0056” to “0066” ofJP2009-242604A, the content of which is incorporated herein byreference.

The content of the silane coupling agent is preferably 0.01 to 15.0 mass% and more preferably 0.05 to 10.0 mass % with respect to the totalsolid content of the curable composition. As the silane coupling agent,one kind may be used alone, or two or more kinds may be used. In a casewhere two or more silane coupling agents are used in combination, it ispreferable that the total content of the two or more silane couplingagents is in the above-described range.

«Surfactant»

The curable composition according to the embodiment of the presentinvention may include a surfactant. As the surfactants, varioussurfactants such as a fluorine surfactant, a nonionic surfactant, acationic surfactant, an anionic surfactant, or a silicone surfactant canbe used. The details of the surfactant can be found in paragraphs “0238”to “0245” of WO2015/166779A, the content of which is incorporated hereinby reference.

In the present invention, it is preferable that the surfactant is afluorine surfactant. By the curable composition according to theembodiment of the present invention containing a fluorine surfactant,liquid characteristics (in particular, fluidity) are further improved,and liquid saving properties can be further improved. In addition, afilm having reduced thickness unevenness can be formed.

The fluorine content in the fluorine surfactant is preferably 3 to 40mass %, more preferably 5 to 30 mass %, and still more preferably 7 to25 mass %. The fluorine surfactant in which the fluorine content is inthe above-described range is effective from the viewpoints of theuniformity in the thickness of the coating film and liquid savingproperties, and the solubility thereof in the composition is alsoexcellent.

Specific examples of the fluorine surfactant include a surfactantdescribed in paragraphs “0060” to “0064” of JP2014-041318A (paragraphs“0060” to “0064” of corresponding WO2014/017669A) and a surfactantdescribed in paragraphs “0117” to “0132” of JP2011-132503A, the contentof which is incorporated herein by reference. Examples of a commerciallyavailable product of the fluorine surfactant include: MEGAFACE F171,F172, F173, F176, F177, F141, F142, F143, F144, R30, F437, F475, F479,F482, F554, and F780 (all of which are manufactured by DIC Corporation);FLUORAD FC430, FC431, and FC171 (all of which are manufactured bySumitomo 3M Ltd.); SURFLON S-382, SC-101, SC-103, SC-104, SC-105,SC-1068, SC-381, SC-383, S-393, and KH-40 (all of which are manufacturedby Asahi Glass Co., Ltd.); and POLYFOX PF636, PF656, PF6320, PF6520, andPF7002 (all of which are manufactured by OMNOVA Solutions Inc.).

In addition, as the fluorine surfactant, an acrylic compound in which,in a case where heat is applied to a molecular structure which has afunctional group having a fluorine atom, the functional group having afluorine atom is cut and a fluorine atom is volatilized can also bepreferably used. Examples of the fluorine surfactant include MEGAFACE DSseries (manufactured by DIC Corporation, The Chemical Daily, Feb. 22,2016, Nikkei Business Daily, Feb. 23, 2016), for example, MEGAFACEDS-21.

As the fluorine surfactant, a block polymer can also be used. Examplesof the block polymer include a compound described in JP2011-089090A. Asthe fluorine surfactant, a fluorine-containing polymer compound can bepreferably used, the fluorine-containing polymer compound including: arepeating unit derived from a (meth)acrylate compound having a fluorineatom; and a repeating unit derived from a (meth)acrylate compound having2 or more (preferably 5 or more) alkyleneoxy groups (preferably anethyleneoxy group and a propyleneoxy group). For example, the followingcompound can also be used as the fluorine surfactant used in the presentinvention.

The weight-average molecular weight of the compound is preferably 3000to 50000 and, for example, 14000. In the compound, “%” representing theproportion of a repeating unit is mol %.

In addition, as the fluorine surfactant, a fluorine-containing polymerhaving an ethylenically unsaturated group at a side chain can also beused. Specific examples include a compound described in paragraphs“0050” to “0090” and paragraphs “0289” to “0295” of JP2010-164965A, forexample, MEGAFACE RS-101, RS-102, RS-718K, and RS-72-K manufactured byDIC Corporation. As the fluorine surfactant, a compound described inparagraphs “0015” to “0158” of JP2015-117327A can also be used.

Examples of the nonionic surfactant include glycerol,trimethylolpropane, trimethylolethane, an ethoxylate and a propoxylatethereof (for example, glycerol propoxylate or glycerol ethoxylate),polyoxyethylene lauryl ether, polyoxyethylene stearyl ether,polyoxyethylene oleyl ether, polyoxyethylene octylphenyl ether,polyoxyethylene nonylphenyl ether, polyethylene glycol dilaurate,polyethylene glycol distearate, sorbitan fatty acid esters, PLURONICL10, L31, L61, L62, 10R5, 17R2, and 25R2 (manufactured by BASF SE),TETRONIC 304, 701, 704, 901, 904, and 150R1 (manufactured by BASF SE),SOLSPERSE 20000 (manufactured by Lubrication Technology Inc.), NCW-101,NCW-1001, and NCW-1002 (all of which are manufactured by Wako PureChemical Industries, Ltd.), PIONIN D-6112, D-6112-W, and D-6315 (all ofwhich are manufactured by Takemoto Oil&Fat Co., Ltd.), and OLFINE E1010and SURFYNOL 104, 400, and 440 (all of which are manufactured by NissinChemical Co., Ltd.).

The content of the surfactant is preferably 0.001 mass % to 5.0 mass %and more preferably 0.005 to 3.0 mass % with respect to the total solidcontent of the curable composition according to the embodiment of thepresent invention. As the surfactant, one kind may be used alone, or twoor more kinds may be used. In a case where two or more surfactants areused in combination, it is preferable that the total content of the twoor more surfactants is in the above-described range.

«Ultraviolet Absorber»

The curable composition according to the embodiment of the presentinvention may include an ultraviolet absorber. As the ultravioletabsorber, for example, a conjugated diene compound, an aminobutadienecompound, a methyldibenzoyl compound, a coumarin compound, a salicylatecompound, a benzophenone compound, a benzotriazole compound, anacrylonitrile compound, or a hydroxyphenyltriazine compound can be used.The details can be found in paragraphs “0052” to “0072” ofJP2012-208374A and paragraphs “0317” to “0334” of JP2013-068814A, thecontents of which are incorporated herein by reference. Examples of acommercially available product of the conjugated diene compound includeUV-503 (manufactured by Daito Chemical Co., Ltd.). In addition, as thebenzotriazole compound, MYUA series (manufactured by Miyoshi Oil&FatCo., Ltd.; The Chemical Daily, Feb. 1, 2016) may be used. As theultraviolet absorber, a compound represented by any one of Formulae(UV-1) to (UV-3) is preferable, a compound represented by any one ofFormula (UV-1) or (UV-3) is more preferable, and a compound representedby Formula (UV-1) is still more preferable.

In Formula (UV-1), R¹⁰¹ and R¹⁰² each independently represent asubstituent, and m1 and m2 each independently represent 0 to 4.

In Formula (UV-2), R²⁰¹ and R²⁰² each independently represent a hydrogenatom or an alkyl group, and R²⁰³ and R²⁰⁴ each independently represent asubstituent.

In Formula (UV-3), R³⁰¹ to R³⁰³ each independently represent a hydrogenatom or an alkyl group, and R³⁰⁴ and R³⁰⁵ each independently represent asubstituent.

Specific examples of the compounds represented by Formulae (UV-1) to(UV-3) include the following compounds.

In the curable composition according to the embodiment of the presentinvention, the content of the ultraviolet absorber is preferably 0.01 to10 mass % and more preferably 0.01 to 5 mass % with respect to the totalsolid content of the curable composition. In the present invention, asthe ultraviolet absorber, one kind may be used alone, or two or morekinds may be used. In a case where two or more ultraviolet absorbers areused in combination, it is preferable that the total content of the twoor more ultraviolet absorbers is in the above-described range.

«Antioxidant»

The curable composition according to the embodiment of the presentinvention may include an antioxidant. Examples of the antioxidantinclude a phenol compound, a phosphite compound, and a thioethercompound. As the phenol compound, any phenol compound which is known asa phenol antioxidant can be used. As the phenol compound, for example, ahindered phenol compound is preferable. A compound having a substituentat a position (ortho position) adjacent to a phenolic hydroxyl group ispreferable. As the substituent, a substituted or unsubstituted alkylgroup having 1 to 22 carbon atoms is preferable. In addition, as theantioxidant, a compound having a phenol group and a phosphite group inthe same molecule is also preferable. In addition, as the antioxidant, aphosphorus antioxidant can also be preferably used. Examples of thephosphorus antioxidant includetris[2-[[2,4,8,10-tetrakis(1,1-dimethylethyl)dibenzo[d,f][1,3,2]dioxaphosphepin-6-yl]oxy]ethyl]amine,tris[2-[(4,6,9,11-tetra-t-butyldibenzo[d,f][1,3,2]dioxaphosphepin-2-yl)oxy]ethyl]amine,and ethyl bis(2,4-di-t-butyl-6-methylphenyl)phosphite. Examples of thecommercially available product of the antioxidant include ADEKA STABAO-20, ADEKA STAB AO-30, ADEKA STAB AO-40, ADEKA STAB AO-50, ADEKA STABAO-50F, ADEKA STAB AO-60, ADEKA STAB AO-60G, ADEKA STAB AO-80, and ADEKASTAB AO-330 (all of which are manufactured by Adeka Corporation).

In the curable composition according to the embodiment of the presentinvention, the content of the antioxidant is preferably 0.01 to 20 mass% and more preferably 0.3 to 15 mass % with respect to the total solidcontent of the curable composition. As the antioxidant, one kind may beused alone, or two or more kinds may be used in combination. In a casewhere two or more antioxidants are used in combination, it is preferablethat the total content of the two or more antioxidants is in theabove-described range.

«Other Components»

Optionally, the curable composition according to the embodiment of thepresent invention may further include a sensitizer, a curingaccelerator, a filler, a thermal curing accelerator, a plasticizer, andother auxiliary agents (for example, conductive particles, anantifoaming agent, a flame retardant, a leveling agent, a peelingaccelerator, an aromatic chemical, a surface tension adjuster, or achain transfer agent). By the curable composition appropriatelyincluding the components, properties such as film properties can beadjusted. The details of the components can be found in, for example,paragraph “0183” of JP2012-003225A (corresponding to paragraph “0237” ofUS2013/0034812A) and paragraphs “0101” to “0104” and “0107” to “0109” ofJP2008-250074A, the content of which is incorporated herein byreference.

For example, in a case where a film is formed by coating, the viscosity(23° C.) of the curable composition according to the embodiment of thepresent invention is preferably 1 to 100 mPa·s. The lower limit is morepreferably 2 mPa·s or higher and still more preferably 3 mPa·s orhigher. The upper limit is more preferably 50 mPa·s or lower, still morepreferably 30 mPa·s or lower, and still more preferably 15 mPa·s orlower.

A storage container of the curable composition according to theembodiment of the present invention is not particularly limited, and awell-known storage container can be used. In addition, as the storagecontainer, in order to suppress infiltration of impurities into the rawmaterials or the composition, a multilayer bottle in which a containerinner wall having a six-layer structure is formed of six kinds of resinsor a bottle in which a container inner wall having a seven-layerstructure is formed of six kinds of resins is preferably used. Examplesof the container include a container described in JP2015-123351A.

The use of the curable composition according to the embodiment of thepresent invention is not particularly limited. The composition accordingto the embodiment of the present invention can be preferably used toform a near infrared cut filter or the like. In addition, by the curablecomposition according to the embodiment of the present inventionincluding the coloring material that shields visible light, an infraredtransmitting filter that can allow transmission of only near infraredlight at a specific wavelength or higher can also be formed.

<Method of Preparing Curable Composition>

The curable composition according to the embodiment of the presentinvention can be prepared by mixing the above-described components witheach other. During the preparation of the curable composition, all thecomponents may be dissolved or dispersed in a solvent at the same timeto prepare the curable composition. Optionally, two or more solutions ordispersions to which the respective components are appropriately addedmay be prepared, and the solutions or dispersions may be mixed with eachother during use (during application) to prepare the curablecomposition.

In addition, in a case where the curable composition according to theembodiment of the present invention includes particles of a pigment orthe like, it is preferable that a process of dispersing the particles isprovided. Examples of a mechanical force used for dispersing theparticles in the process of dispersing the particles includecompression, squeezing, impact, shearing, and cavitation. Specificexamples of the process include a beads mill, a sand mill, a roll mill,a ball mill, a paint shaker, a Microfluidizer, a high-speed impeller, asand grinder, a project mixer, high-pressure wet atomization, andultrasonic dispersion. During the pulverization of the particles using asand mill (beads mill), it is preferable that the process is performedunder conditions for increasing the pulverization efficiency, forexample, by using beads having a small size and increasing the fillingrate of the beads. In addition, it is preferable that rough particlesare removed by filtering, centrifugal separation, and the like afterpulverization. In addition, as the process and the disperser fordispersing the particles, a process and a disperser described in“Complete Works of Dispersion Technology, Johokiko Co., Ltd., Jul. 15,2005”, “Dispersion Technique focusing on Suspension (Solid/LiquidDispersion) and Practical Industrial Application, ComprehensiveReference List, Publishing Department of Management Development Center,Oct. 10, 1978”, and paragraph “0022” JP2015-157893A can be suitablyused. In addition, in the process of dispersing the particles, particlesmay be refined in a salt milling step. A material, a device, processconditions, and the like used in the salt milling step can be found in,for example, JP2015-194521A and JP2012-046629A.

During the preparation of the curable composition, it is preferable thatthe curable composition is filtered through a filter, for example, inorder to remove foreign matter or to reduce defects. As the filter, anyfilter which is used in the related art for filtering or the like can beused without any particular limitation. Examples of a material of thefilter include: a fluororesin such as polytetrafluoroethylene (PTFE); apolyamide resin such as nylon (for example, nylon-6 or nylon-6,6); and apolyolefin resin (including a polyolefin resin having a high density andan ultrahigh molecular weight) such as polyethylene or polypropylene(PP). Among these materials, polypropylene (including high-densitypolypropylene) or nylon is preferable.

The pore size of the filter is suitably about 0.01 to 7.0 μm and ispreferably about 0.01 to 3.0 μm and more preferably about 0.05 to 0.5μm. In a case where the pore size of the filter is in theabove-described range, fine foreign matter can be reliably removed. Inaddition, it is preferable that a fibrous filter material is used.Examples of the fibrous filter material include polypropylene fiber,nylon fiber, and glass fiber. Specific examples include a filtercartridge of SBP type series (for example, SBP008), TPR type series (forexample, TPR002 or TPR005), and SHPX type series (for example, SHPX003)all of which are manufactured by Roki Techno Co., Ltd.

In a case where a filter is used, a combination of different filters(for example, a first filter and a second filter) may be used. At thistime, the filtering using each of the filters may be performed once, ortwice or more.

In addition, a combination of filters having different pore sizes in theabove-described range may be used. Here, the pore size of the filter canrefer to a nominal value of a manufacturer of the filter. A commerciallyavailable filter can be selected from various filters manufactured byPall Corporation (for example, DFA4201NXEY), Toyo Roshi Kaisha, Ltd.,Entegris Japan Co., Ltd. (former Mykrolis Corporation), or KitsMicrofilter Corporation.

The second filter may be formed of the same material as that of thefirst filter.

In addition, the filtering using the first filter may be performed onlyon the dispersion, and the filtering using the second filter may beperformed on a mixture of the dispersion and other components.

<Film>

Next, a film according to the embodiment of the present invention willbe described. The film according to the embodiment of the presentinvention is obtained from the above-described curable compositionaccording to the embodiment of the present invention. The film accordingto the embodiment of the present invention can be preferably used as anear infrared cut filter or an infrared transmitting filter. Inaddition, the film according to the embodiment of the present inventioncan also be used as a heat ray shielding filter. The film according tothe embodiment of the present invention may be a film having a patternor a film (flat film) not having a pattern. In addition, the filmaccording to the embodiment of the present invention may be used in astate where it is laminated on a support, or the film according to theembodiment of the present invention may be peeled off from a support. Ina case where the film according to the embodiment of the presentinvention is used as an infrared transmitting filter, examples of theinfrared transmitting filter include a filter that shields visible lightand allows transmission of light in a wavelength range of 900 nm orlonger. In a case where the film according to the embodiment of thepresent invention is used as an infrared transmitting filter, it ispreferable that infrared transmitting filter is a filter that is formedof a curable composition including the near infrared absorbing colorantand the coloring material that shields visible light (preferably acoloring material including two or more chromatic colorants or acoloring material including at least an organic black colorant), or is afilter in which a layer of the coloring material that shields visiblelight is separately present in addition to a layer including the nearinfrared absorbing colorant. In a case where the film according to theembodiment of the present invention is used as an infrared transmittingfilter, the near infrared absorbing colorant has a function of limitinglight to be transmitted (near infrared light) to a long wavelength side.

The thickness of the film according to the embodiment of the presentinvention can be adjusted according to the purpose. The thickness ispreferably 20 μm or less, more preferably 10 μm or less, and still morepreferably 5 μm or less. For example, the lower limit of the thicknessis preferably 0.1 μm or more, more preferably 0.2 μm or more, and stillmore preferably 0.3 μm or more.

The film according to the embodiment of the present invention can beused in combination with a color filter that includes a chromaticcolorant. For example, the film according to the embodiment of thepresent invention and the color filter can be laminated to be used as alaminate. In the laminate, the film according to the embodiment of thepresent invention and the color filter may be or may not be adjacent toeach other in a thickness direction. In a case where the film accordingto the embodiment of the present invention is not adjacent to the colorfilter in the thickness direction, the film according to the embodimentof the present invention may be formed on another support other than asupport on which the color filter is formed, or another member (forexample, a microlens or a planarizing layer) constituting a solid imagepickup element may be interposed between the film according to theembodiment of the present invention and the color filter. The colorfilter can be manufactured using a coloring composition including achromatic colorant. Examples of the chromatic colorant include thechromatic colorants described to be included in the curable compositionaccording to the embodiment of the present invention. The coloringcomposition may further include, for example, a polymerizable monomer, aresin, a photopolymerization initiator, a surfactant, a solvent, apolymerization inhibitor, and an ultraviolet absorber. In more detail,for example, the materials described to be included in the curablecomposition according to the embodiment of the present invention can beused.

In the present invention, “near infrared cut filter” refers to a filterthat allows transmission of light (visible light) in the visible rangeand shields at least a part of light (near infrared light) in the nearinfrared range. The near infrared cut filter may be a filter that allowstransmission of light in the entire wavelength range of the visiblerange, or may be a filter that allows transmission of light in aspecific wavelength range of the visible range and shields light inanother specific wavelength range of the visible range. In addition, inthe present invention, a color filter refers to a filter that allowstransmission of light in a specific wavelength range of the visiblerange and shields light in another specific wavelength range of thevisible range. In addition, “infrared transmitting filter” refers to afilter that shields light in the visible range and allows transmissionof at least a part of light (near infrared light) in the near infraredrange.

In a case where the film according to the embodiment of the presentinvention is used as a near infrared cut filter, it is preferable thatthe film according to the embodiment of the present invention has anabsorption maximum in a wavelength range of 700 to 1000 nm. The averagetransmittance in a wavelength range of 400 to 550 nm is preferably 70%or higher, more preferably 80% or higher, still more preferably 85% orhigher, and still more preferably 90% or higher. In addition, atransmittance of in the entire wavelength range of 400 to 550 nm ispreferably 70% or higher, more preferably 80% or higher, and still morepreferably 90% or higher. In addition, a preferable range of the nearinfrared shielding properties of the near infrared cut filter variesdepending on the use. A transmittance at at least one point in awavelength range of 700 to 1000 nm is preferably 20% or lower, morepreferably 15% or lower, and still more preferably 10% or lower.

In a case where the film according to the embodiment of the presentinvention is used as an infrared transmitting filter, it is preferablethat a maximum value of a light transmittance of the film in a thicknessdirection in a wavelength range of 400 to 830 nm is 20% or lower and aminimum value of a light transmittance of the film in the thicknessdirection in a wavelength range of 1000 to 1300 nm is 80% or higher. Thefilm having the above-described spectral characteristics can bepreferably used as an infrared transmitting filter that shields light ina wavelength range of 400 to 750 nm and allows transmission of light ina wavelength range of 900 nm or longer.

The film according to the embodiment of the present invention can beused in various devices including a solid image pickup element such as acharge coupled device (CCD) or a complementary metal-oxide semiconductor(CMOS), an infrared sensor, or an image display device.

<Film Forming Method>

Next, a film forming method according to the present invention will bedescribed. The film according to the embodiment of the present inventioncan be formed through a step of applying the curable compositionaccording to the embodiment of the present invention.

In the film forming method according to the present invention, it ispreferable that the curable composition is applied to a support.Examples of the support include a substrate formed of a material such assilicon, non-alkali glass, soda glass, PYREX (registered trade name)glass, or quartz glass. For example, an organic film or an inorganicfilm may be formed on the substrate. Examples of a material of theorganic film include the resin described to be included in the curablecomposition. In addition, as the support, a substrate formed of theresin can also be used. In addition, a charge coupled device (CCD), acomplementary metal-oxide semiconductor (CMOS), a transparent conductivefilm, or the like may be formed on the support. In addition, a blackmatrix that separates pixels from each other may be formed on thesupport. In addition, optionally, an undercoat layer may be provided onthe support to improve adhesiveness with a layer above the support, toprevent diffusion of materials, or to make a surface of the substrateflat. In addition, in a case where a glass substrate is used as thesupport, it is preferable that an inorganic film is formed on the glasssubstrate or the glass substrate may be dealkalized to be used.

As a method of applying the curable composition, a well-known method canbe used. Examples of the well-known method include: a drop castingmethod; a slit coating method; a spray coating method; a roll coatingmethod; a spin coating method; a cast coating method; a slit and spinmethod; a pre-wetting method (for example, a method described inJP2009-145395A); various printing methods including jet printing such asan ink jet method (for example, an on-demand method, a piezoelectricmethod, or a thermal method) or a nozzle jet method, flexographicprinting, screen printing, gravure printing, reverse offset printing,and metal mask printing; a transfer method using a mold or the like; anda nanoimprint lithography method. The application method using an inkjet method is not particularly limited, and examples thereof include amethod (in particular, pp. 115 to 133) described in “Extension of Use ofInk Jet—Infinite Possibilities in Patent—” (February, 2005, S.B.Research Co., Ltd.) and methods described in JP2003-262716A,JP2003-185831A, JP2003-261827A, JP2012-126830A, and JP2006-169325A.

A composition layer formed by applying the curable composition may bedried (pre-baked). In a case where a pattern is formed through alow-temperature process, pre-baking is not necessarily performed. In acase where pre-baking is performed, the pre-baking temperature ispreferably 150° C. or lower, more preferably 120° C. or lower, and stillmore preferably 110° C. or lower. The lower limit is, for example, 50°C. or higher or 80° C. or higher. By setting the pre-baking temperatureto be 150° C. or lower, the characteristics can be effectivelymaintained, for example, even in a case where a photoelectric conversionfilm of an image sensor is formed of an organic material.

The pre-baking time is preferably 10 to 3000 seconds, more preferably 40to 2500 seconds, and still more preferably 80 to 220 seconds. Drying canbe performed using a hot plate, an oven, or the like.

The film forming method according to the present invention may furtherinclude a step of forming a pattern. As the pattern forming method, apattern forming method using a photolithography method is preferable. Itis preferable that the pattern forming method using a photolithographymethod includes: a step (exposure step) of exposing the compositionlayer, which is formed by applying the curable composition according tothe embodiment of the present invention, in a pattern shape; and a step(development step) of forming a pattern by removing a non-exposedportion of the composition layer by development. Optionally, the patternforming method may further include a step (post-baking step) of bakingthe developed pattern. Hereinafter, the respective steps will bedescribed.

In the exposure step, the composition layer is exposed in a patternshape. For example, the composition layer can be exposed in a patternshape using an exposure device such as a stepper through a mask having apredetermined mask pattern. As a result, an exposed portion can becured. As radiation (light) used during the exposure, ultraviolet rayssuch as g-rays or i-rays are preferable, and i-rays are more preferable.The irradiation dose (exposure dose) is preferably 0.03 to 2.5 J/cm²,more preferably 0.05 to 1.0 J/cm², and most preferably 0.08 to 0.5J/cm². The oxygen concentration during exposure can be appropriatelyselected. The exposure may be performed not only in air but also in alow-oxygen atmosphere having an oxygen concentration of 19 vol % orlower (for example, 15 vol %, 5 vol %, or substantially 0 vol %) or in ahigh-oxygen atmosphere having an oxygen concentration of higher than 21vol % (for example, 22 vol %, 30 vol %, or 50 vol %). In addition, theexposure illuminance can be appropriately set and typically can beselected in a range of 1000 W/m² to 100000 W/m² (for example, 5000 W/m²,15000 W/m², or 35000 W/m²). Conditions of the oxygen concentration andconditions of the exposure illuminance may be appropriately combined.For example, conditions are oxygen concentration: 10 vol % andilluminance: 10000 W/m², or oxygen concentration: 35 vol % andilluminance: 20000 W/m².

Next, a pattern is formed by removing a non-exposed portion of theexposed composition layer by development. The non-exposed portion of thecomposition layer can be removed by development using a developer. As aresult, a non-exposed portion of the composition layer in the exposurestep is eluted into the developer, and only the photocured portionremains on the support. As the developer, an alkali developer which doesnot cause damages to a solid image pickup element as a substrate, acircuit or the like is desired. For example, the temperature of thedeveloper is preferably 20° C. to 30° C. The development time ispreferably 20 to 180 seconds. In addition, in order to further improveresidue removing properties, a step of shaking the developer off per 60seconds and supplying a new developer may be repeated multiple times.

Examples of the alkaline agent used as the developer include: an organicalkaline compound such as ammonia water, ethylamine, diethylamine,dimethylethanolamine, diglycolamine, diethanolamine, hydroxyamine,ethylenediamine, tetramethylammonium hydroxide, tetraethylammoniumhydroxide, tetrapropylammonium hydroxide, tetrabutylammonium hydroxide,benzyltrimethylammonium hydroxide, dimethyl bis(2-hydroxyethyl)ammoniumhydroxide, choline, pyrrole, piperidine, or1,8-diazabicyclo[5.4.0]-7-undecene; and an inorganic alkaline compoundsuch as sodium hydroxide, potassium hydroxide, sodium carbonate, sodiumbicarbonate, sodium silicate, or sodium metasilicate. As the developer,an alkaline aqueous solution in which the above alkaline agent isdiluted with pure water is preferably used. A concentration of thealkaline agent in the alkaline aqueous solution is preferably 0.001 to10 mass % and more preferably 0.01 to 1 mass %. In addition, thedeveloper may include a surfactant to be used. Examples of thesurfactant include the surfactants described above regarding thecomposition. Among these, a nonionic surfactant is preferable. From theviewpoint of easiness of transport, storage, and the like, the developermay be obtained by temporarily preparing a concentrated solution anddiluting the concentrated solution to a necessary concentration duringuse. The dilution factor is not particularly limited and, for example,can be set to be in a range of 1.5 to 100 times. In a case where adeveloper including the alkaline aqueous solution is used, it ispreferable that the layer is rinsed with pure water after development.

After the development, the film can also be dried and then heated(post-baking). Post-baking is a heat treatment which is performed afterdevelopment to completely cure the film. In a case where post-baking isperformed, for example, the post-baking temperature is preferably 100°C. to 240° C. From the viewpoint of curing the film, the post-bakingtemperature is more preferably 200° C. to 230° C. In addition, in a casewhere an organic electroluminescence (organic EL) element is used as alight-emitting light source, or in a case where a photoelectricconversion film of an image sensor is formed of an organic material, thepost-baking temperature is preferably 150° C. or lower, more preferably120° C. or lower, still more preferably 100° C. or lower, and still morepreferably 90° C. or lower. The lower limit is, for example, 50° C. orhigher. The film after the development is post-baked continuously orbatchwise using heating means such as a hot plate, a convection oven(hot air circulation dryer), and a high-frequency heater under theabove-described conditions. In addition, in a case where a pattern isformed through a low-temperature process, post-baking is not necessarilyperformed.

<Optical Filter>

Next, an optical filter according to the embodiment of the presentinvention will be described. The optical filter according to theembodiment of the present invention includes the film according to theembodiment of the present invention. The optical filter according to theembodiment of the present invention can be preferably used as at leastone selected from a near infrared cut filter or an infrared transmittingfilter. In addition, it is also preferable that the optical filteraccording to the embodiment of the present invention includes a pixelwhich is formed using the film according to the embodiment of thepresent invention and a pixel selected from a red pixel, a green pixel,a blue pixel, a magenta pixel, a yellow pixel, a cyan pixel, a blackpixel, or an achromatic pixel.

In a case where the film according to the embodiment of the presentinvention is used as a near infrared cut filter, the near infrared cutfilter may further include, for example, a layer containing copper, adielectric multi-layer film, or an ultraviolet absorbing layer inaddition to the film according to the embodiment of the presentinvention. By further including the layer containing copper and/or thedielectric multi-layer film in the near infrared cut filter, the nearinfrared cut filter having a viewing angle and excellent near infraredshielding properties can be easily obtained. In addition, by furtherincluding the ultraviolet absorbing layer in the near infrared cutfilter, the near infrared cut filter having excellent ultravioletshielding properties can be obtained. The details of the ultravioletabsorbing layer can be found in the description of an absorbing layerdescribed in paragraphs “0040” to “0070” and paragraphs “0119” to “0145”of WO2015/099060A, the content of which is incorporated herein byreference. The details of the dielectric multi-layer film can be foundin paragraphs “0255” to “0259” of JP2014-041318A, the content of whichis incorporated herein by reference. As the layer containing copper, aglass substrate (copper-containing glass substrate) formed of glasscontaining copper, or a layer (copper complex-containing layer)containing a copper complex may also be used. Examples of thecopper-containing glass substrate include a phosphate glass includingcopper and a fluorophosphate glass including copper. Examples of acommercially available product of the copper-containing glass includeNF-50 (manufactured by AGC Techno Glass Co., Ltd.), BG-60 and BG-61(both of which are manufactured by Schott AG), and CD5000 (manufacturedby Hoya Corporation). Specific examples of the copper complex includecompounds described in paragraphs “0009” to “0049” of WO2016/068037A,the content of which is incorporated herein by reference.

In a case where the film according to the embodiment of the presentinvention is used as a near infrared cut filter or an infraredtransmitting filter, a near infrared cut filter and an infraredtransmitting filter can be used in combination. By using a near infraredcut filter and an infrared transmitting filter in combination, thiscombination can be preferably used for an infrared sensor that detectsinfrared light at a specific wavelength. In a case where both aninfrared cut filter and an infrared transmitting filter are used incombination, either or both of the near infrared cut filter and theinfrared transmitting filter can be formed using the curable compositionaccording to the embodiment of the present invention.

<Solid Image Pickup Element>

A solid image pickup element according to the embodiment of the presentinvention includes the film according to the embodiment of the presentinvention. The configuration of the solid image pickup element is notparticularly limited as long as it includes the film according to theembodiment of the present invention and functions as a solid imagepickup element. For example, the following configuration can be adopted.

The solid image pickup element includes a plurality of photodiodes andtransfer electrodes on the support, the photodiodes constituting a lightreceiving area of the solid image pickup element, and the transferelectrode being formed of polysilicon or the like. In the solid imagepickup element, a light shielding film formed of tungsten or the likewhich has openings through only light receiving sections of thephotodiodes is provided on the photodiodes and the transfer electrodes,a device protective film formed of silicon nitride or the like is formedon the light shielding film so as to cover the entire surface of thelight shielding film and the light receiving sections of thephotodiodes, and the film according to the embodiment of the presentinvention is formed on the device protective film. Further, aconfiguration in which light collecting means (for example, a microlens;hereinafter, the same shall be applied) is provided above the deviceprotective film and below the film according to the embodiment of thepresent invention (on a side thereof close the support), or aconfiguration in which light collecting means is provided on the filmaccording to the embodiment of the present invention may be adopted. Inaddition, the color filter may have a structure in which a film whichforms each pixel is embedded in a space which is partitioned in, forexample, a lattice shape by a partition wall. In this case, it ispreferable that the partition wall has a lower refractive index thaneach pixel. Examples of an imaging device having such a structureinclude a device described in JP2012-227478A and JP2014-179577A.

<Image Display Device>

An image display device according to the embodiment of the presentinvention includes the film according to the embodiment of the presentinvention. Examples of the image display device include a liquid crystaldisplay device or an organic electroluminescence (organic EL) displaydevice. The definition and details of the image display device can befound in, for example, “Electronic Display Device (by Akiya Sasaki,Kogyo Chosakai Publishing Co., Ltd., 1990)” or “Display Device (SumiakiIbuki, Sangyo Tosho Co., Ltd.). In addition, the details of a liquidcrystal display device can be found in, for example, “Next-GenerationLiquid Crystal Display Techniques (Edited by Tatsuo Uchida, KogyoChosakai Publishing Co., Ltd., 1994)”. The liquid crystal display deviceto which the present invention is applicable is not particularlylimited. For example, the present invention is applicable to variousliquid crystal display devices described in “Next-Generation LiquidCrystal Display Techniques”. The image display device may include awhite organic EL element. It is preferable that the white organic ELelement has a tandem structure. The tandem structure of the organic ELelement is described in, for example, JP2003-045676A, or pp. 326-328 of“Forefront of Organic EL Technology Development—Know-How Collection ofHigh Brightness, High Precision, and Long Life” (Technical InformationInstitute, 2008). It is preferable that a spectrum of white lightemitted from the organic EL element has high maximum emission peaks in ablue range (430 nm to 485 nm), a green range (530 nm to 580 nm), and ayellow range (580 nm to 620 nm). It is more preferable that the spectrumhas a maximum emission peak in a red range (650 nm to 700 nm) inaddition to the above-described emission peaks.

<Infrared Sensor>

An infrared sensor according to the embodiment of the present inventionincludes the film according to the embodiment of the present invention.The configuration of the infrared sensor is not particularly limited aslong as it functions as an infrared sensor. Hereinafter, an embodimentof the infrared sensor used in the present invention will be describedusing the drawings.

In FIG. 1, reference numeral 110 represents a solid image pickupelement. In an imaging region provided on a solid image pickup element110, near infrared cut filters 111 and infrared transmitting filters 114are provided. In addition, color filters 112 are laminated on the nearinfrared cut filters 111. Microlenses 115 are disposed on an incidenceray hυ side of the color filters 112 and the infrared transmittingfilters 114. A planarizing layer 116 is formed so as to cover themicrolenses 115.

The near infrared cut filter 111 can be formed using the curablecomposition according to the embodiment of the present invention.Spectral characteristics of the near infrared cut filters 111 can beselected according to the emission wavelength of an infrared lightemitting diode (infrared LED) to be used.

The color filters 112 is not particularly limited as long as pixelswhich allow transmission of light having a specific wavelength in avisible range and absorbs the light are formed therein, and well-knowncolor filters of the related art for forming a pixel can be used. Forexample, pixels of red (R), green (G), and blue (B) are formed in thecolor filters. For example, the details of the color filters can befound in paragraphs “0214” to “0263” of JP2014-043556A, the content ofwhich is incorporated herein by reference.

Characteristics of the infrared transmitting filters 114 can be selectedaccording to the emission wavelength of the infrared LED to be used. Forexample, in a case where the emission wavelength of the infrared LED is850 nm, a maximum value of a light transmittance of the infraredtransmitting filter 114 in the thickness direction of the film in awavelength range of 400 to 650 nm is preferably 30% or lower, morepreferably 20% or lower, still more preferably 10% or lower and stillmore preferably 0.1% or lower. It is preferable that the transmittancesatisfies the above-described conditions in the entire wavelength rangeof 400 to 650 nm.

A minimum value of a light transmittance of the infrared transmittingfilter 114 in the thickness direction of the film in a wavelength rangeof 800 nm or longer (preferably 800 to 1300 nm) is preferably 70% orhigher, more preferably 80% or higher, and still more preferably 90% orhigher. It is preferable that the transmittance satisfies theabove-described conditions in a part of a wavelength range of 800 nm orlonger, and it is more preferable that the transmittance satisfies theabove-described conditions at a wavelength corresponding to the emissionwavelength of the infrared LED.

The thickness of the infrared transmitting filter 114 is preferably 100μm or less, more preferably 15 μm or less, still more preferably 5 μm orless, and still more preferably 1 μm or less. The lower limit value ispreferably 0.1 μm. In a case where the thickness is in theabove-described range, the film can satisfy the above-described spectralcharacteristics.

A method of measuring the spectral characteristics, the thickness, andthe like of the infrared transmitting filter 114 is as follows.

The thickness is obtained by measuring the thickness of the driedsubstrate including the film using a stylus surface profilometer (DEKTAK150, manufactured by ULVAC Inc.).

The spectral characteristics of the film are values obtained bymeasuring the transmittance in a wavelength range of 300 to 1300 nmusing an ultraviolet-visible-near infrared spectrophotometer (U-4100,manufactured by Hitachi High-Technologies Corporation).

In addition, for example, in a case where the emission wavelength of theinfrared LED is 940 nm, it is preferable that a maximum value of a lighttransmittance of the infrared transmitting filter 114 in a thicknessdirection of the film in a wavelength range of 450 to 650 nm is 20% orlower, that a light transmittance of the infrared transmitting filter114 in the thickness direction of the film at a wavelength of 835 nm is20% or lower, and that a minimum value of a light transmittance of theinfrared transmitting filter 114 in the thickness direction of the filmin a wavelength range of 1000 to 1300 nm is 70% or higher.

In the infrared sensor shown in FIG. 1, a near infrared cut filter(other near infrared cut filter) other than the near infrared cut filter111 may be further disposed on the planarizing layer 116. As the othernear infrared cut filter, for example, a layer containing copper and/ora dielectric multi-layer film may be provided. The details of theexamples are as described above. In addition, as the other near infraredcut filter, a dual band pass filter may be used.

EXAMPLES

Hereinafter, the present invention will be described in detail usingexamples. Materials, used amounts, ratios, treatment details, treatmentprocedures, and the like shown in the following examples can beappropriately changed within a range not departing from the scope of thepresent invention. Accordingly, the scope of the present invention isnot limited to the following specific examples. Unless specifiedotherwise, “part(s)” and “%” represent “part(s) by mass” and “mass %”.

Test Example 1

<Preparation of Curable Composition>

Raw materials shown in the following tables were mixed with each otherto prepare a curable composition. In the curable composition in which adispersion was used as a raw material, the dispersion was prepared asfollows.

A near infrared absorbing colorant, a coloring material, a pigmentderivative, a dispersant, and a solvent described in “Dispersion 1” and“Dispersion 2” of the following tables were mixed with each other inpart(s) by mass shown in “Dispersion 1” and “Dispersion 2” of thefollowing tables, 230 parts by mass of zirconia beads having a diameterof 0.3 mm was further added thereto, the mixture was dispersed using apaint shaker for 5 hours, and the beads were separated by filtration. Asa result, a dispersion 1 and a dispersion 2 were manufactured.

TABLE 1 Dispersion 1 Near Infrared Photo- Absorbing PigmentPolymerizable polymerization Colorant Derivative Dispersant SolventResin Monomer Initiator Part(s) Part(s) by Part(s) by Part(s) by Part(s)by Part(s) by Part(s) by Name Kind by Mass Kind Mass Kind Mass Kind MassKind Mass Kind Mass Kind Mass Example 1 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D15.5 M1 3.2 F1 1 M3 3.2 Example 2 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M14.0 F1 1 M3 2.4 Example 3 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 4.8 F11 M3 1.6 Example 4 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 5.6 F1 1 M30.8 Example 5 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 6.4 F1 1 Example 6A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 3.2 F1 1 M5 3.2 Example 7 A1 2.5B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 4.0 F1 1 M5 2.4 Example 8 A1 2.5 B1 0.5C1 1.8 PGMEA 39 D1 5.5 M1 4.8 F1 1 M5 1.6 Example 9 A1 2.5 B1 0.5 C1 1.8PGMEA 39 D1 5.5 M1 5.6 F1 1 M5 0.8 Example 10 A1 2.5 B1 0.5 C1 1.8 PGMEA39 D1 5.5 M2 3.2 F1 1 M4 3.2 Example 11 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D15.5 M2 4.0 F1 1 M4 2.4 Example 12 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5M2 4.8 F1 1 M4 1.6 Example 13 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M25.6 F1 1 M4 0.8 Example 14 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 3.2F1 1 M4 3.2 Example 15 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 4.0 F1 1M4 2.4 Example 16 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 4.8 F1 1 M41.6 Example 17 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 5.6 F1 1 M4 0.8Example 18 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 3.2 F1 1 M3 2.9 M50.3 Example 19 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 4.0 F1 1 M3 2.2M5 0.2 Example 20 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M1 4.8 F1 1 M31.4 M5 0.2 Ultraviolet Polymerization Epoxy Absorber SurfactantInhibitor Antioxidant Compound Solvent Part(s) by Part(s) by Part(s) byPart(s) by Part(s) by Part(s) by Name Kind Mass Kind Mass Kind Mass KindMass Kind Mass Kind Mass Example 1 UV1 1.6 W1 0.025 H1 0.003 I1 0.2PGMEA 41.472 Example 2 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472Example 3 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 4 UV11.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 5 UV1 1.6 W1 0.025 H10.003 I1 0.2 PGMEA 41.472 Example 6 UV1 1.6 W1 0.025 H1 0.003 I1 0.2PGMEA 41.472 Example 7 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472Example 8 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 9 UV11.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 10 UV1 1.6 W1 0.025 H10.003 I1 0.2 PGMEA 41.472 Example 11 UV1 1.6 W1 0.025 H1 0.003 I1 0.2PGMEA 41.472 Example 12 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472Example 13 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 14 UV11.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 15 UV1 1.6 W1 0.025 H10.003 I1 0.2 PGMEA 41.472 Example 16 UV1 1.6 W1 0.025 H1 0.003 I1 0.2PGMEA 41.472 Example 17 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472Example 18 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 19 UV11.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 20 UV1 1.6 W1 0.025 H10.003 I1 0.2 PGMEA 41.472

TABLE 2 Dispersion 1 Near Infrared Photo- Absorbing PigmentPolymerizable polymerization Colorant Derivative Dispersant SolventResin Monomer Initiator Part(s) Part(s) by Part(s) by Part(s) by Part(s)by Part(s) by Part(s) by Name Kind by Mass Kind Mass Kind Mass Kind MassKind Mass Kind Mass Kind Mass Example 21 A1 2.5 B1 0.5 C1 1.8 PGMEA 39D1 5.5 M1 5.6 F1 1 M3 0.7 M5 0.1 Example 22 A1 2.5 B1 0.5 C1 1.8 PGMEA39 D1 5.5 M2 3.2 F1 1 M4 2.9 M6 0.3 Example 23 A1 2.5 B1 0.5 C1 1.8PGMEA 39 D1 5.5 M2 4.0 F1 1 M4 2.2 M6 0.2 Example 24 A1 2.5 B1 0.5 C11.8 PGMEA 39 D1 5.5 M2 4.8 F1 1 M4 1.4 M6 0.2 Example 25 A1 2.5 B1 0.5C1 1.8 PGMEA 39 D1 5.5 M2 5.6 F1 1 M4 0.7 M6 0.1 Example 26 A1 2.5 B10.5 C1 1.8 PGMEA 39 D1 5.5 M2 6.4 F1 1 Example 27 A1 2.5 B1 0.5 C1 1.8PGMEA 39 D2 5.5 M2 4.8 F1 1 M4 1.6 Example 28 A1 2.5 B1 0.5 C1 1.8 PGMEA39 D3 5.5 M2 4.8 F1 1 M4 1.6 Example 29 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D22.5 M2 4.8 F1 1 D3 3.0 M4 1.6 Example 30 A1 2.5 B1 0.5 C1 1.8 PGMEA 39D1 5.5 M2 4.8 F2 1 M4 1.6 Example 31 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D15.5 M2 4.8 F3 1 M4 1.6 Example 32 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5M2 4.8 F2   0.5 M4 1.6 F3   0.5 Example 33 A1 2.5 B1 0.5 C1 1.8 PGMEA 39D1 5.5 M2 4.8 F1 1 M4 1.6 Example 34 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D15.5 M2 4.8 F1 1 M4 1.6 Example 35 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5M2 4.8 F1 1 M4 1.6 Example 36 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M24.8 F1 1 M4 1.6 Example 37 A1 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M2 4.8F1 1 M4 1.6 Example 38 A2 2.5 B4 0.5 C1 1.8 PGMEA 39 D1 5.5 M2 4.8 F1 1M4 1.6 Example 39 A3 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M2 4.8 F1 1 M41.6 Example 40 A4 2.5 B1 0.5 C1 1.8 PGMEA 39 D1 5.5 M2 4.8 F1 1 M4 1.6Ultraviolet Polymerization Epoxy Absorber Surfactant InhibitorAntioxidant Compound Solvent Part(s) by Part(s) by Part(s) by Part(s) byPart(s) by Part(s) by Name Kind Mass Kind Mass Kind Mass Kind Mass KindMass Kind Mass Example 21 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472Example 22 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 23 UV11.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 24 UV1 1.6 W1 0.025 H10.003 I1 0.2 PGMEA 41.472 Example 25 UV1 1.6 W1 0.025 H1 0.003 I1 0.2PGMEA 41.472 Example 26 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472Example 27 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 28 UV11.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 29 UV1 1.6 W1 0.025 H10.003 I1 0.2 PGMEA 41.472 Example 30 UV1 1.6 W1 0.025 H1 0.003 I1 0.2PGMEA 41.472 Example 31 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472Example 32 UV1 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 33 UV21.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 34 UV3 1.6 W1 0.025 H10.003 I1 0.2 PGMEA 41.472 Example 35 UV2 0.8 W1 0.025 H1 0.003 I1 0.2PGMEA 41.472 UV3 0.8 Example 36 UV2 1.6 W1 0.025 H1 0.003 I1 0.2 EP1 0.2PGMEA 41.472 Example 37 UV2 1.6 W1 0.025 H1 0.003 I1 0.2 EP1 0.2 PGMEA41.472 Example 38 UV2 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example39 UV2 1.6 W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 Example 40 UV2 1.6 W10.025 H1 0.003 I1 0.2 PGMEA 41.472

TABLE 3 Dispersion 1 Near Infrared Near Infrared Dispersion 2 AbsorbingPigment Absorbing Coloring Colorant Derivative Dispersant SolventColorant Material Part(s) by Part(s) Part(s) Part(s) Part(s) by Part(s)by Name Kind Mass Kind by Mass Kind by Mass Kind by Mass Kind Mass KindMass Example A5 3 41 Example A6 3 42 Example A7 3 43 Example A8 3 44Example A9 3 45 Example A10 3 46 Example A11 3 47 Example A12 3 48Example A13 3 49 Example A1 1.25 B1 0.5 C1 1.8 PGMEA 39 — 50 A4 1.25Example A8   1.5 51 A9   1.5 Example A10 1 52 A11 1 A12 1 Example A31.25 B1  0.25 C1 0.9 PGMEA   19.5 A5   1.5 53 Example A1 2.5  B2 0.5 C11.8 PGMEA 39 54 Example A1 2.5  B3 0.5 C2 1.8 PGMEA 39 55 Photo-Dispersion 2 Polymerization polymerization Ultraviolet DispersantSolvent Resin Monomer Initiator Absorber Part(s) by Part(s) by Part(s)by Part(s) by Part(s) by Part(s) by Name Kind Mass Kind Mass Kind MassKind Mass Kind Mass Kind Mass Example D1 7.3 M2 4.8 F1 1 UV2 1.6 41 M41.6 Example D1 7.3 M2 4.8 F1 1 UV2 1.6 42 M4 1.6 Example D1 7.3 M2 4.8F1 1 UV2 1.6 43 M4 1.6 Example D1 7.3 M2 4.8 F1 1 UV2 1.6 44 M4 1.6Example D1 7.3 M2 4.8 F1 1 UV2 1.6 45 M4 1.6 Example D1 7.3 M2 4.8 F1 1UV2 1.6 46 M4 1.6 Example D1 7.3 M2 4.8 F1 1 UV2 1.6 47 M4 1.6 ExampleD1 7.3 M2 4.8 F1 1 UV2 1.6 48 M4 1.6 Example D1 7.3 M2 4.8 F1 1 UV2 1.649 M4 1.6 Example D1 5.5 M2 4.8 F1 1 UV2 1.6 50 M4 1.6 Example D1 7.3 M24.8 F1 1 UV2 1.6 51 M4 1.6 Example D1 7.3 M2 4.8 F1 1 UV2 1.6 52 M4 1.6Example D1 6.4 M2 4.8 F1 1 UV2 1.6 53 M4 1.6 Example D1 5.5 M2 4.8 F1 1UV2 1.6 54 M4 1.6 Example D1 5.5 M2 4.8 F1 1 UV2 1.6 55 M4 1.6Polymerization Surfactant Inhibitor Antioxidant Solvent Part(s) Part(s)by Part(s) Part(s) Name Kind by Mass Kind Mass Kind by Mass Kind by MassExample W1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 41 Example W1 0.025 H10.003 I1 0.2 PGMEA 80.472 42 Example W1 0.025 H1 0.003 I1 0.2 PGMEA80.472 43 Example W1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 44 Example W10.025 H1 0.003 I1 0.2 PGMEA 80.472 45 Example W1 0.025 H1 0.003 I1 0.2PGMEA 80.472 46 Example W1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 47 ExampleW1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 48 Example W1 0.025 H1 0.003 I10.2 PGMEA 80.472 49 Example W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 50Example W1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 51 Example W1 0.025 H10.003 I1 0.2 PGMEA 80.472 52 Example W1 0.025 H1 0.003 I1 0.2 PGMEA60.972 53 Example W1 0.025 H1 0.003 I1 0.2 PGMEA 41.472 54 Example W10.025 H1 0.003 I1 0.2 PGMEA 41.472 55

TABLE 4 Dispersion 1 Near Near Infrared Infrared Dispersion 2 AbsorbingPigment Absorbing Coloring Colorant Derivative Dispersant SolventColorant Material Part(s) by Part(s) Part(s) Part(s) Part(s) Part(s)Name Kind Mass Kind by Mass Kind by Mass Kind by Mass Kind by Mass Kindby Mass Example 56 A1 2.5 B1 0.25 C2 1.8 PGMEA 39 B2 0.25 Example 57 A12.5 B1 0.5  C1 1.8 PGMEA 39 Example 58 A1 2.5 B1 0.5  C1 1.8 PGMEA 39Example A1 2.5 B1 0.5  C1 1.8 PGMEA 39 58-2 Example 59 A1  1.75 B1 0.35C1  1.26 PGMEA   27.3 PR254 3.84 P Blue15:6 3.84 PY 139 1.92 Example 60A12 3 P Black32 3 P Blue15:6 1 PY 139 1 Example 61 A13 3 P Black32 3 PBlue15:6 1 PY 139 1 Example 62 A8 3 P Black32 3 P Blue15:6 1 PY 139 1Comparative A6 3 Example 1 Comparative A6 3 Example 2 Comparative A6 3Example 3 Comparative A7 3 Example 4 Comparative A7 3 Example 5Comparative A7 3 Example 6 Comparative A12 3 P Black32 3 Example 7 PBlue15:6 1 PY 139 1 Comparative A12 3 P Black32 3 Example 8 P Blue15:6 1PY 139 1 Comparative A12 3 P Black32 3 Example 9 P Blue15:6 1 PY 139 1Photo- Dispersion 2 Polymerization polymerization Ultraviolet DispersantSolvent Resin Monomer Initiator Absorber Part(s) Part(s) by Part(s)Part(s) by Part(s) by Part(s) by Name Kind by Mass Kind Mass Kind byMass Kind Mass Kind Mass Kind Mass Example 56 D1 5.5 M2 4.8 F1 1 UV2 1.6M4 1.6 Example 57 D1 5.5 M2 4.8 F1 1 UV1 1.6 M4 1.6 Example 58 D1 5.5 M24.8 F1 1 UV1 1.6 M4 1.6 Example D1 5.5 M2 4.8 F1 1 UV1 1.6 58-2 M4 1.6Example 59 C1   4.1 PGMEA 40 M2 6.8 F3   1.5 M4 2.2 Example 60 C3 4PGMEA 40 M2 6.8 F3 1 M4 2.2 Example 61 C3 4 PGMEA 40 M2 6.8 F3 1 M4 2.2Example 62 C3 4 PGMEA 40 M2 6.8 F3 1 M4 2.2 Comparative D1 7.3 M3 6.4 F11 UV2 1.6 Example 1 Comparative D1 7.3 M1 1.3 F1 1 UV2 1.6 Example 2 M35.1 Comparative D1 7.3 M1 2.6 F1 1 UV2 1.6 Example 3 M3 3.8 ComparativeD1 7.3 M3 6.4 F1 1 UV2 1.6 Example 4 Comparative D1 7.3 M1 1.3 F1 1 UV21.6 Example 5 M3 5.1 Comparative D1 7.3 M1 2.6 F1 1 UV2 1.6 Example 6 M33.8 Comparative C3 4 PGMEA 40 M3 6.4 F3 1 Example 7 Comparative C3 4PGMEA 40 M1 1.3 F3 1 Example 8 M3 5.1 Comparative C3 4 PGMEA 40 M1 2.6F3 1 Example 9 M3 3.8 Polymerization Surfactant Inhibitor AntioxidantSolvent Part(s) by Part(s) by Part(s) by Part(s) by Name Kind Mass KindMass Kind Mass Kind Mass Example 56 W1 0.025 H1 0.003 I1 0.2 PGMEA41.472 Example 57 W1 0.025 H1 0.003 I1 0.2 Cyclohexyl 41.472 AcetateExample 58 W1 0.025 H1 0.003 I1 0.2 Cyclopentanone 41.472 Example W10.025 H1 0.003 I1 0.2 PGMEA 20.736 58-2 Cyclohexyl 20.736 AcetateExample 59 W1 0.025 H1 0.003 PGMEA  5.166 Example 60 W1 0.025 H1 0.003PGMEA 40.472 Example 61 W1 0.025 H1 0.003 PGMEA 40.472 Example 62 W10.025 H1 0.003 PGMEA 40.472 Comparative W1 0.025 H1 0.003 I1 0.2 PGMEA80.472 Example 1 Comparative W1 0.025 H1 0.003 I1 0.2 PGMEA 80.472Example 2 Comparative W1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 Example 3Comparative W1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 Example 4 ComparativeW1 0.025 H1 0.003 I1 0.2 PGMEA 80.472 Example 5 Comparative W1 0.025 H10.003 I1 0.2 PGMEA 80.472 Example 6 Comparative W1 0.025 H1 0.003 PGMEA40.472 Example 7 Comparative W1 0.025 H1 0.003 PGMEA 40.472 Example 8Comparative W1 0.025 H1 0.003 PGMEA 40.472 Example 9

The raw materials shown above in the table are as follows.

(Near Infrared Absorbing Colorant)

A1 to A7: compounds having the following structures. In the followingformulae, Me represents a methyl group, Ph represents a phenyl group,and EH represents an ethylhexyl group.

A8: a compound 31 described in paragraph “0051” of JP2008-088426A

A9: a compound 16 described in paragraph “0049” of JP2008-088426A

A10: a compound a-1 described in paragraph “0173” of JP2016-146619A

A11: a compound a-2 described in paragraph “0173” of JP2016-146619A

A12: a compound a-3 described in paragraph “0173” of JP2016-146619A

A13: NK-5060 (manufactured by Hayashibara Co., Ltd., Cyanine Compound)

(Coloring Material)

PR254: C.I. Pigment Red 254

P Blue 15:6: C.I. Pigment Blue 15:6

PY139: C.I. Pigment Yellow 139

P Black 32: C.I. Pigment Black 32

(Pigment Derivative)

B1 to B4: compounds having the following structures. In the followingstructural formulae, Me represents a methyl group, and Ph represents aphenyl group.

(Dispersant)

C1: a resin having the following structure (a numerical value added to amain chain represents a molar ratio, and a numerical value added to aside chain represents the number of repeating units; Mw=20000, acidvalue=105 mgKOH/g)

C2: a resin having the following structure (a numerical value added to amain chain represents a molar ratio, and a numerical value added to aside chain represents the number of repeating units; Mw=20000, acidvalue=30 mgKOH/g)

C3: SOLSPERSE 76500 (manufactured by Lubrication Technology Inc.)

(Resin)

D1: a resin having the following structure (a numerical value added to amain chain represents a molar ratio; Mw=40000, acid value=100 mgKOH/g)

D2: a resin having the following structure (a numerical value added to amain chain represents a molar ratio; Mw=10000, acid value=70 mgKOH/g)

D3: a resin having the following structure (a numerical value added to amain chain represents a molar ratio; Mw=10000, acid value=70 mgKOH/g)

(Polymerizable Monomer)

M1 to M6: compounds having the following structures.

(Epoxy Compound)

EP1: EPICLON N-695 (manufactured by DIC Corporation)

EP2: EHPE 3150 (manufactured by Daicel Corporation)

(Photopolymerization Initiator)

F1: IRGACURE OXE01 (manufactured by BASF SE)

F2: IRGACURE 369 (manufactured by BASF SE)

F3: IRGACURE OXE03 (manufactured by BASF SE)

(Ultraviolet Absorber)

UV1 to UV3: compounds having the following structures

(Surfactant)

W1: the following mixture (Mw=14000, a fluorine surfactant; in thefollowing formula, “%” representing the proportion of a repeating unitis mol %)

(Polymerization Inhibitor)

H1: p-methoxyphenol

(Antioxidant)

I1: ADEKA STAB AO-80 (manufactured by Adeka Corporation)

(Solvent)

PGMEA: propylene glycol monomethyl ether acetate

cyclohexyl acetate

cyclopentanone

<Evaluation>

[Foreign Matter]

Each of the curable compositions was applied to a glass substrate usinga spin coater (manufactured by Mikasa Co., Ltd.) such that the thicknessafter pre-baking was 0.8 μm. As a result, a coating film was formed.Next, the coating film was heated (pre-baked) using a hot plate at 100°C. for 120 seconds. Next, the entire surface of the coating film wasexposed using an i-ray stepper exposure device FPA-3000 i5+(manufactured by Canon Corporation) at an exposure dose of 1000 mJ/cm²and then was heated (post-baked) again using a hot plate at 200° C. for300 seconds. As a result, a film was obtained. The obtained film wasobserved (measurement magnification=10000 times) using a scanningelectron microscope, and the number of foreign matter particles presentin a range of 10 μm×15 μm was measured.

5: no foreign matter was present in a range of 10 μm×15 μm

4: the number of foreign matter particles present in a range of 10 μm×15μm was more than 0 and 5 or less

3: the number of foreign matter particles present in a range of 10 μm×15μm was more than 5 and 10 or less

2: the number of foreign matter particles present in a range of 10 μm×15μm was more than 10 and 100 or less

1: the number of foreign matter particles present in a range of 10 μm×15μm was more than 100

[Moisture Resistance]

Each of the curable compositions was applied to a glass substrate usinga spin coater (manufactured by Mikasa Co., Ltd.) such that the thicknessafter pre-baking was 0.8 μm. As a result, a coating film was formed.Next, the coating film was heated (pre-baked) using a hot plate at 100°C. for 120 seconds. Next, the entire surface of the coating film wasexposed using an i-ray stepper exposure device FPA-3000 i5+(manufactured by Canon Corporation) at an exposure dose of 1000 mJ/cm²and then was heated (post-baked) again using a hot plate at 200° C. for300 seconds. As a result, a film was obtained. Regarding the obtainedfilm, the transmittance of light in a wavelength range of 700 to 1000 nmwas measured. Next, this film was put into a constant-temperature tankat 85° C. and a humidity of 95% and was stored therein for 6 months toperform a moisture-resistance test. Regarding the film after themoisture-resistance test, the transmittance of light at each wavelengthin a wavelength range of 700 to 1000 nm was measured. The transmittanceof the film was measured using a spectrophotometer (manufactured byHitachi High-Technologies Corporation, U-4100).

A maximum value (ΔT) of a change in transmittance at each wavelength ina wavelength range of 700 to 1000 nm before and after themoisture-resistance test was measured and was set as an index indicatingmoisture resistance.

Change (ΔT) in Transmittance=|Transmittance (%) of Film beforeMoisture-Resistance Test-Transmittance (%) of Film afterMoisture-Resistance Test|

5: ΔT %<2%

4: 2%≤ΔT<4%

3: 4%≤ΔT %<6%

2: 6%≤ΔT %<10%

1: 10%≤ΔT %

[Developability]

Each of the curable compositions was applied to a silicon wafer using aspin coater (manufactured by Mikasa Co., Ltd.) such that the thicknessafter post-baking was 1.0 μm. As a result, a coating film was formed.Next, the coating film was heated using a hot plate at 100° C. for 2minutes. Next, using an i-ray stepper exposure device FPA-3000i5+(manufactured by Canon Corporation), the coating film was exposedthrough a mask having a 1 μm×1 μm Bayer pattern at an exposure dose of1000 mJ/cm². Next, puddle development was performed at 23° C. for 60seconds using a tetramethylammonium hydroxide (TMAH) 0.3 mass % aqueoussolution. Next, the coating film was rinsed by spin showering and wascleaned with pure water. Next, the coating film was heated (post-baked)using a hot plate at 200° C. for 5 minutes. As a result, a pattern wasformed.

A portion (non-exposed portion) between patterns was observed using ascanning electron microscope, and a residue was evaluated based on thefollowing standards.

5: no residues were present

4: in 10 non-exposed portions, no residues having a diameter of morethan 200 nm were present, but the average number of residues having adiameter of 200 nm or less was more than 0 and 1 or less

3: in 10 non-exposed portions, no residues having a diameter of morethan 200 nm were present, but the average number of residues having adiameter of 200 nm or less was more than 1 and 5 or less

2: in 10 non-exposed portions, no residues having a diameter of morethan 200 nm were present, but the average number of residues having adiameter of 200 nm or less was more than 5

1: residues having a diameter of more than 200 nm were present orsubstantially no non-exposed portions were dissolved

TABLE 5 Content (mass %) of Polymerizable Monomer that has At Least OneGroup selected from Acid Group or Hydroxyl Group and Group Evaluationhaving Unsaturated Double Bond with respect Foreign Moisture Name toTotal Mass of All Polymerizable Monomers Matter ResistanceDevelopability Example 1 50 3 3 4 Example 2 37.5 4 3 4 Example 3 25 4 44 Example 4 12.5 5 4 3 Example 5 0 5 5 3 Example 6 50 3 3 5 Example 737.5 3 3 5 Example 8 25 4 4 4 Example 9 12.5 4 4 4 Example 10 50 3 3 4Example 11 37.5 4 3 4 Example 12 25 4 4 4 Example 13 12.5 5 5 3 Example14 50 3 3 4 Example 15 37.5 4 3 4 Example 16 25 4 4 4 Example 17 12.5 55 3 Example 18 50 3 3 5 Example 19 37.5 3 3 4 Example 20 25 4 4 4

TABLE 6 Content (mass %) of Polymerizable Monomer that has At Least OneGroup selected from Acid Group or Hydroxyl Group and Group Evaluationhaving Unsaturated Double Bond with respect Foreign Moisture Name toTotal Mass of All Polymerizable Monomers Matter ResistanceDevelopability Example 21 12.5 5 4 4 Example 22 50 3 3 5 Example 23 37.54 4 4 Example 24 25 5 5 4 Example 25 12.5 5 5 4 Example 26 0 5 5 3Example 27 25 4 5 4 Example 28 25 4 3 5 Example 29 25 4 4 4 Example 3025 4 4 4 Example 31 25 3 4 3 Example 32 25 4 4 4 Example 33 25 4 4 4Example 34 25 4 4 4 Example 35 25 4 4 4 Example 36 25 5 5 3 Example 3725 4 4 3 Example 38 25 4 4 4 Example 39 25 4 3 4 Example 40 25 4 3 3

TABLE 7 Content (mass %) of Polymerizable Monomer that has At Least OneGroup selected from Acid Group or Hydroxyl Group and Group Evaluationhaving Unsaturated Double Bond with respect Foreign Moisture Name toTotal Mass of All Polymerizable Monomers Matter ResistanceDevelopability Example 41 25 4 4 5 Example 42 25 3 3 5 Example 43 25 3 35 Example 44 25 3 3 5 Example 45 25 3 3 5 Example 46 25 3 3 5 Example 4725 4 5 5 Example 48 25 3 3 5 Example 49 25 3 3 5 Example 50 25 4 4 4Example 51 25 3 3 5 Example 52 25 3 4 5 Example 53 25 4 4 3 Example 5425 4 4 4 Example 55 25 4 4 5 Example 56 25 5 4 4 Example 57 25 4 4 4Example 58 25 4 4 4 Example 58-2 25 4 4 4 Example 59 25 4 4 3 Example 6025 3 3 3 Example 61 25 3 3 3 Example 62 25 3 3 3 Comparative 100 1 1 5Example 1 Comparative 80 1 2 5 Example 2 Comparative 60 2 2 5 Example 3Comparative 100 1 1 5 Example 4 Comparative 80 1 2 5 Example 5Comparative 60 2 2 5 Example 6 Comparative 100 1 1 4 Example 7Comparative 80 1 2 4 Example 8 Comparative 60 2 2 4 Example 9

As shown in the tables, in the films formed using the curablecompositions according to Examples, the number of foreign matterparticles was small. Further, moisture resistance was also excellent. Onthe other hand, in the films formed using the curable compositionsaccording to Comparative Examples, the number of foreign matterparticles was large.

In each of Examples, even in a case where two or more solvents describedin this specification were mixed and used as the solvent within a rangewhere the solubility of the curable composition did not deteriorate, thesame effects as those of each of Examples were obtained.

Test Example 2

The curable composition according to Example 5 was applied to a siliconwafer using a spin coating method such that the thickness of the formedfilm was 1.0 μm. Next, the coating film was heated using a hot plate at100° C. for 2 minutes. Next, using an i-ray stepper exposure deviceFPA-3000 i5+ (manufactured by Canon Corporation), the coating film wasexposed through a mask having a 2 μm×2 μm Bayer pattern at an exposuredose of 1000 mJ/cm².

Next, puddle development was performed at 23° C. for 60 seconds using atetramethylammonium hydroxide (TMAH) 0.3 mass % aqueous solution. Next,the coating film was rinsed by spin showering and was cleaned with purewater. Next, the coating film was heated using a hot plate at 200° C.for 5 minutes. As a result, a 2 μm×2 μm Bayer pattern (near infrared cutfilter) was formed.

Next, a Red composition was applied to the Bayer pattern of the nearinfrared cut filter using a spin coating method such that the thicknessof the formed film was 1.0 μm. Next, the coating film was heated using ahot plate at 100° C. for 2 minutes. Next, using an i-ray stepperexposure device FPA-3000 i5+ (manufactured by Canon Corporation), thecoating film was exposed through a mask having a 2 μm×2 μm Bayer patternat an exposure dose of 1000 mJ/cm². Next, puddle development wasperformed at 23° C. for 60 seconds using a tetramethylammonium hydroxide(TMAH) 0.3 mass % aqueous solution. Next, the coating film was rinsed byspin showering and was cleaned with pure water. Next, the coating filmwas heated using a hot plate at 200° C. for 5 minutes. As a result, theRed composition was patterned on the Bayer pattern of the near infraredcut filter. Likewise, a Green composition and a Blue composition weresequentially patterned to form red, green, and blue color patterns.

Next, the composition for forming an infrared transmitting filter wasapplied to the pattern-formed film using a spin coating method such thatthe thickness of the formed film was 2.0 μm. Next, the coating film washeated using a hot plate at 100° C. for 2 minutes. Next, using an i-raystepper exposure device FPA-3000 i5+ (manufactured by CanonCorporation), the coating film was exposed through a mask having a 2μm×2 μm Bayer pattern at an exposure dose of 1000 mJ/cm². Next, puddledevelopment was performed at 23° C. for 60 seconds using atetramethylammonium hydroxide (TMAH) 0.3 mass % aqueous solution. Next,the coating film was rinsed by spin showering and was cleaned with purewater. Next, the coating film was heated using a hot plate at 200° C.for 5 minutes. As a result, the infrared transmitting filter waspatterned on a portion where the Bayer pattern of the near infrared cutfilter was not formed. This filter was incorporated into a solid imagepickup element using a well-known method.

The obtained solid image pickup element was irradiated with lightemitted from an infrared light emitting diode (infrared LED) as a lightsource in a low-illuminance environment (0.001 Lux) to acquire images.Next, the imaging performance of the solid image pickup element wasevaluated. The subject was able to be clearly recognized on the image.In addition, incidence angle dependence was good.

The Red composition, the Green composition, the Blue composition, andthe composition for forming an infrared transmitting filter used in TestExample 2 are as follows.

(Red Composition)

The following components were mixed and stirred, and the obtainedmixture was filtered through a nylon filter (manufactured by PallCorporation) having a pore size of 0.45 μm to prepare a Red composition.

Red Pigment Dispersion 51.7 parts by mass Resin 4 0.6 parts by massPolymerizable Compound 4 0.6 parts by mass Photopolymerization Initiator1 0.4 parts by mass Surfactant 1 4.2 parts by mass Ultraviolet absorber(UV-503, manufactured 0.3 parts by mass by Daito Chemical Co., Ltd.)Propylene glycol monomethyl ether acetate 42.6 parts by mass (PGMEA)

(Green Composition)

The following components were mixed and stirred, and the obtainedmixture was filtered through a nylon filter (manufactured by PallCorporation) having a pore size of 0.45 μm to prepare a Greencomposition.

Green Pigment Dispersion 73.7 parts by mass Resin 4 0.3 parts by massPolymerizable Compound 1 1.2 parts by mass Photopolymerization Initiator1 0.6 parts by mass Surfactant 1 4.2 parts by mass Ultraviolet absorber(UV-503, manufactured 0.5 parts by mass by Daito Chemical Co., Ltd.)PGMEA 19.5 parts by mass

(Blue Composition)

The following components were mixed and stirred, and the obtainedmixture was filtered through a nylon filter (manufactured by PallCorporation) having a pore size of 0.45 μm to prepare a Bluecomposition.

Blue Pigment Dispersion 44.9 parts by mass Resin 4 2.1 parts by massPolymerizable Compound 1 1.5 parts by mass Polymerizable Compound 4 0.7parts by mass Photopolymerization Initiator 1 0.8 parts by massSurfactant 1 4.2 parts by mass Ultraviolet absorber (UV-503,manufactured 0.3 parts by mass by Diato Chemical Co., Ltd.) PGMEA 45.8parts by mass

(Composition for Forming Infrared Transmitting Filter)

The following components were mixed and stirred, and the obtainedmixture was filtered through a nylon filter (manufactured by PallCorporation) having a pore size of 0.45 μm to prepare a composition forforming an infrared transmitting filter.

Pigment Dispersion 1-1 46.5 parts by mass Pigment Dispersion 1-2 37.1parts by mass Polymerizable Compound 5 1.8 parts by mass Resin 4 1.1parts by mass Photopolymerization Initiator 2 0.9 parts by massSurfactant 1 4.2 parts by mass Polymerization inhibitor(p-methoxyphenol) 0.001 parts by mass Silane coupling agent 0.6 parts bymass PGMEA 7.8 parts by mass

Raw materials used in the Red composition, the Green composition, theBlue composition, and the composition for forming an infraredtransmitting filter are as follows.

Red Pigment Dispersion

9.6 parts by mass of C.I. Pigment Red 254, 4.3 parts by mass of C.I.Pigment Yellow 139, 6.8 parts by mass of a dispersant (Disperbyk-161,manufactured by BYK Chemie), and 79.3 parts by mass of PGMEA were mixedwith each other to obtain a mixed solution, and the mixed solution wasmixed and dispersed using a beads mill (zirconia beads; diameter: 0.3mm) for 3 hours. As a result, a pigment dispersion was prepared. Next,using a high-pressure disperser NANO-3000-10 (manufactured by Nippon BEEChemical Co., Ltd.) equipped with a pressure reducing mechanism, thepigment dispersion was further dispersed under a pressure of 2000 kg/cm³at a flow rate of 500 g/min. This dispersing treatment was repeated 10times. As a result, a Red pigment dispersion was obtained.

Green Pigment Dispersion

6.4 parts by mass of C.I. Pigment Green 36, 5.3 parts by mass of C.I.Pigment Yellow 150, 5.2 parts by mass of a dispersant (Disperbyk-161,manufactured by BYK Chemie), and 83.1 parts by mass of PGMEA were mixedwith each other to obtain a mixed solution, and the mixed solution wasmixed and dispersed using a beads mill (zirconia beads; diameter: 0.3mm) for 3 hours. As a result, a pigment dispersion was prepared. Next,using a high-pressure disperser NANO-3000-10 (manufactured by Nippon BEEChemical Co., Ltd.) equipped with a pressure reducing mechanism, thepigment dispersion was further dispersed under a pressure of 2000 kg/cm³at a flow rate of 500 g/min. This dispersing treatment was repeated 10times. As a result, a Green pigment dispersion was obtained.

Blue Pigment Dispersion

9.7 parts by mass of C.I. Pigment Blue 15:6, 2.4 parts by mass of C.I.Pigment Violet 23, 5.5 parts by mass of a dispersant (Disperbyk-161,manufactured by BYK Chemie), 82.4 parts by mass of PGMEA were mixed witheach other to obtain a mixed solution, and the mixed solution was mixedand dispersed using a beads mill (zirconia beads; diameter: 0.3 mm) for3 hours. As a result, a pigment dispersion was prepared. Next, using ahigh-pressure disperser NANO-3000-10 (manufactured by Nippon BEEChemical Co., Ltd.) equipped with a pressure reducing mechanism, thepigment dispersion was further dispersed under a pressure of 2000 kg/cm³at a flow rate of 500 g/min. This dispersing treatment was repeated 10times. As a result, a Blue pigment dispersion was obtained.

Pigment Dispersion 1-1

A mixed solution having a composition shown below was mixed anddispersed for 3 hours using a beads mill (a high-pressure disperser witha pressure reducing mechanism, NANO-3000-10 (manufactured by Nippon BEEChemical Co., Ltd.)) in which zirconia beads having a diameter of 0.3 mmwere used. As a result, Pigment Dispersion 1-1 was prepared.

Mixed pigment including a red pigment (C.I. 11.8 parts by mass PigmentRed 254) and a yellow pigment (C.I. Pigment Yellow 139) Resin(Disperbyk-111, manufactured by BYK 9.1 parts by mass Chemie) PGMEA 79.1parts by mass

Pigment Dispersion 1-2

A mixed solution having a composition shown below was mixed anddispersed for 3 hours using a beads mill (a high-pressure disperser witha pressure reducing mechanism, NANO-3000-10 (manufactured by Nippon BEEChemical Co., Ltd.)) in which zirconia beads having a diameter of 0.3 mmwere used. As a result, Pigment Dispersion 1-2 was prepared.

Mixed pigment including a blue pigment (C.I. 12.6 parts by mass PigmentBlue 15:6) and a violet pigment (C.I. Pigment Violet 23) Resin(Disperbyk-111, manufactured by BYK 2.0 parts by mass Chemie) Resin A3.3 parts by mass Cyclohexanone 31.2 parts by mass PGMEA 50.9 parts bymass

Resin A: a resin having the following structure (Mw=14000, a ratio in astructural unit is a molar ratio)

Polymerizable compound 1: KAYARAD DPHA (manufactured by Nippon KayakuCo., Ltd.)

Polymerizable compound 4: a compound having the following structure

Polymerizable compound 5: a compound having the following structures (amixture in which a molar ratio between a left compound and a rightcompound is 7:3)

Resin 4: a resin having the following structure (acid value: 70 mgKOH/g,Mw=11000;

a ratio in a structural unit is a molar ratio)

Photopolymerization Initiator 1: IRGACURE-OXE 01 (manufactured by BASFSE)

Photopolymerization Initiator 2: a compound having the followingstructure

Surfactant 1: a 1 mass % PGMEA solution of the following mixture(Mw=14000; in the following formula, “%” representing the proportion ofa repeating unit is mol %)

Silane coupling agent: a compound having the following structure. In thefollowing structural formulae, Et represents an ethyl group.

EXPLANATION OF REFERENCES

-   -   110: solid image pickup element    -   111: near infrared cut filter    -   112: color filter    -   114: infrared transmitting filter    -   115: microlens    -   116: planarizing layer

What is claimed is:
 1. A curable composition comprising: a near infraredabsorbing colorant; a polymerizable monomer that has a group having anunsaturated double bond; and a resin having an acid group, wherein thenear infrared absorbing colorant is a compound that includes aπ-conjugated plane having a monocyclic or fused aromatic ring, a contentof the near infrared absorbing colorant is 10 mass % or higher withrespect to a total solid content of the curable composition, a contentof a polymerizable monomer that has at least one group selected from anacid group or a hydroxyl group and a group having an unsaturated doublebond is 12.5 mass % or higher and 50 mass % or lower with respect to atotal mass of all the polymerizable monomers, and a content of the resinhaving an acid group is 70 to 250 parts by mass with respect to 100parts by mass of a total content of all the polymerizable monomers. 2.The curable composition according to claim 1, wherein the content of thepolymerizable monomer that has at least one group selected from an acidgroup or a hydroxyl group and a group having an unsaturated double bondis 12.5 mass % or higher and 30 mass % or lower with respect to thetotal mass of all the polymerizable monomers.
 3. The curable compositionaccording to claim 1, wherein the polymerizable monomer that has a grouphaving an unsaturated double bond is a compound that has two or moregroups having an unsaturated double bond.
 4. The curable compositionaccording to claim 1, wherein the near infrared absorbing colorant is acompound having a hydrophilic group.
 5. The curable compositionaccording to claim 2, wherein the near infrared absorbing colorant is acompound having a hydrophilic group.
 6. The curable compositionaccording to claim 3, wherein the near infrared absorbing colorant is acompound having a hydrophilic group.
 7. The curable compositionaccording to claim 1, further comprising: a chromatic colorant.
 8. Thecurable composition according to claim 1, further comprising: a coloringmaterial that allows transmission of infrared light and shields visiblelight.
 9. A film which is formed using the curable composition accordingto claim
 1. 10. An optical filter comprising: the film according toclaim
 9. 11. The optical filter according to claim 10, wherein theoptical filter is a near infrared cut filter or an infrared transmittingfilter.
 12. A solid image pickup element comprising: the film accordingto claim
 9. 13. An image display device comprising: the film accordingto claim
 9. 14. An infrared sensor comprising: the film according toclaim
 9. 15. The curable composition according to claim 1, wherein thenear infrared absorbing colorant is at least one compound selected fromthe group consisting of a cyanine compound and a squarylium compound.16. The curable composition according to claim 1, wherein the nearinfrared absorbing colorant is a squarylium compound represented by thefollowing Formula (SQ),

in Formula (SQ), A¹ and A² each independently represent an aryl group, aheteroaryl group, or a group represented by Formula (A-1), and

in Formula (A-1), Z¹ represents a non-metal atomic group for forming anitrogen-containing heterocycle, R² represents an alkyl group, analkenyl group, or an aralkyl group, d represents 0 or 1, and a wave linerepresents a direct bond.
 17. The curable composition according to claim1, further comprising an ultraviolet absorber represented by any one ofFormulae (UV-1) to (UV-3),

wherein in Formula (UV-1), R¹⁰¹ and R¹⁰² each independently represent asubstituent, and m1 and m2 each independently represent 0 to 4, inFormula (UV-2), R²⁰¹ and R²⁰² each independently represent a hydrogenatom or an alkyl group, and R²⁰³ and R²⁰⁴ each independently represent asubstituent, and in Formula (UV-3), R³⁰¹ to R³⁰³ each independentlyrepresent a hydrogen atom or an alkyl group, and R³⁰⁴ and R³⁰⁵ eachindependently represent a substituent.
 18. The curable compositionaccording to claim 1, wherein the content of the resin having an acidgroup is 0.1 to 40 mass % with respect to the total solid content of thecurable composition.
 19. The curable composition according to claim 1,further comprising: a dispersant, wherein a content of the dispersant is0.1 to 40 mass % with respect to the total solid content of the curablecomposition.
 20. The curable composition according to claim 1, furthercomprising: a dispersant, wherein the near infrared absorbing colorantincludes a pigment, and the content of the dispersant is 1 to 100 partsby mass with respect to 100 parts by mass of the pigment.
 21. Thecurable composition according to claim 16, wherein, in Formula (SQ), A¹and A² each independently represent a heteroaryl group or a grouprepresented by Formula (A-1).
 22. The curable composition according toclaim 1, wherein the near infrared absorbing colorant includes a cyaninecompound represented by Formula (C),

in Formula (C), Z¹ and Z² each independently represent a non-metalatomic group for forming a 5- or 6-membered nitrogen-containingheterocycle which may be fused, R¹⁰¹ and R¹⁰² each independentlyrepresent an alkyl group, an alkenyl group, an alkynyl group, an aralkylgroup, or an aryl group, L¹ represents a methine chain including an oddnumber of methine groups, a and b each independently represent 0 or 1,in a case where a represents 0, a carbon atom and a nitrogen atom arebonded through a double bond, in a case where b represents 0, a carbonatom and a nitrogen atom are bonded through a single bond, a siterepresented by Cy in the formula is a cation site, X¹ represents ananion, and c represents the number of X¹'s for balancing charge.
 23. Thecurable composition according to claim 17, wherein the ultravioletabsorber is represented by Formula (UV-3), and in Formula (UV-3), R³⁰⁴and R³⁰⁵ represent a carboxyl group.